ZHCSX66A October 2024 – February 2025 LM251772
PRODUCTION DATA
表 9-1 列出了 LM251772 寄存器的存儲(chǔ)器映射寄存器。LM251772 寄存器表中未列出的所有寄存器偏移地址都應(yīng)視為保留位置，且不應(yīng)修改寄存器內(nèi)容。
| 偏移 | 首字母縮寫詞 | 寄存器名稱 | 部分 |
|---|---|---|---|
| 3h | CLEAR_FAULTS | CLEAR_FAULTS | 節(jié) 9.1 |
| Ah | ILIM_THRESHOLD | ILIM_THRESHOLD | 節(jié) 9.2 |
| Ch | VOUT_TARGET1_LSB | VOUT_TARGET1_LSB | 節(jié) 9.3 |
| Dh | VOUT_TARGET1_MSB | VOUT_TARGET1_MSB | 節(jié) 9.4 |
| 21h | USB_PD_STATUS_0 | USB_PD_STATUS_0 | 節(jié) 9.5 |
| 78h | STATUS_BYTE | STATUS_BYTE | 節(jié) 9.6 |
| 81h | USB_PD_CONTROL_0 | USB_PD_CONTROL_0 | 節(jié) 9.7 |
| D0h | MFR_SPECIFIC_D0 | MFR_SPECIFIC_D0 | 節(jié) 9.8 |
| D1h | MFR_SPECIFIC_D1 | MFR_SPECIFIC_D1 | 節(jié) 9.9 |
| D2h | MFR_SPECIFIC_D2 | MFR_SPECIFIC_D2 | 節(jié) 9.10 |
| D5h | MFR_SPECIFIC_D5 | MFR_SPECIFIC_D5 | 節(jié) 9.11 |
| D6h | MFR_SPECIFIC_D6 | MFR_SPECIFIC_D6 | 節(jié) 9.12 |
| D7h | MFR_SPECIFIC_D7 | MFR_SPECIFIC_D7 | 節(jié) 9.13 |
| D8h | MFR_SPECIFIC_D8 | MFR_SPECIFIC_D8 | 節(jié) 9.14 |
| DAh | IVP_VOLTAGE | IVP_VOLTAGE | 節(jié) 9.15 |
復(fù)雜的位訪問類型經(jīng)過編碼可適應(yīng)小型表單元。表 9-2 展示了適用于此部分中訪問類型的代碼。
| 訪問類型 | 代碼 | 說明 |
|---|---|---|
| 讀取類型 | ||
| R | R | 讀取 |
| 寫入類型 | ||
| W | W | 寫入 |
| 復(fù)位或默認(rèn)值 | ||
| -n | 復(fù)位后的值或默認(rèn)值 | |
表 9-3 展示了 CLEAR_FAULTS。
返回到匯總表。
清除所有鎖存的狀態(tài)標(biāo)志
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-0 | CLEAR_FAULTS | R | 0h | 訪問地址足以清除故障 |
表 9-4 展示了 ILIM_THRESHOLD。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-0 | ILIM_THRESHOLD | R/W | 12h | ISNS 電流限制閾值電壓。括號(hào)中的值考慮了一個(gè) 10mΩ 的檢測(cè)電阻 0h = 5mV (0.5A) 1h = 5mV (0.5A) 2h = 5mV (0.5A) 3h = 5mV (0.5A) 4h = 5mV (0.5A) 5h = 5mV (0.5A) 6h = 5mV (0.5A) 7h = 5mV (0.5A) 8h = 5mV (0.5A) 9h = 5mV (0.5A) Ah = 5mV (0.5A) Bh = 5.5mV (0.55A) Ch = 6mV (0.6A) Dh = 6.5mV (0.65A) Eh = 7mV (0.7A) Fh = 7.5mV (0.75A) 10h = 8mV (0.8A) 11h = 8.5mV (0.85A) 12h = 9mV (0.9A) 13h = 9.5mV (0.95A) 14h = 10mV (1A) 15h = 10.5mV (1.05A) 16h = 11mV (1.1A) 17h = 11.5mV (1.15A) 18h = 12mV (1.2A) 19h = 12.5mV (1.25A) 1Ah = 13mV (1.3A) 1Bh = 13.5mV (1.35A) 1Ch = 14mV (1.4A) 1Dh = 14.5mV (1.45A) 1Eh = 15mV (1.5A) 1Fh = 15.5mV (1.55A) 20h = 16mV (1.6A) 21h = 16.5mV (1.65A) 22h = 17mV (1.7A) 23h = 17.5mV (1.75A) 24h = 18mV (1.8A) 25h = 18.5mV (1.85A) 26h = 19mV (1.9A) 27h = 19.5mV (1.95A) 28h = 20mV (2A) 29h = 20.5mV (2.05A) 2Ah = 21mV (2.1A) 2Bh = 21.5mV (2.15A) 2Ch = 22mV (2.2A) 2Dh = 22.5mV (2.25A) 2Eh = 23mV (2.3A) 2Fh = 23.5mV (2.35A) 30h = 24mV (2.4A) 31h = 24.5mV (2.45A) 32h = 25mV (2.5A) 33h = 25.5mV (2.55A) 34h = 26mV (2.6A) 35h = 26.5mV (2.65A) 36h = 27mV (2.7A) 37h = 27.5mV (2.75A) 38h = 28mV (2.8A) 39h = 28.5mV (2.85A) 3Ah = 29mV (2.9A) 3Bh = 29.5mV (2.95A) 3Ch = 30mV (3A) 3Dh = 30.5mV (3.05A) 3Eh = 31mV (3.1A) 3Fh = 31.5mV (3.15A) 40h = 32mV (3.2A) 41h = 32.5mV (3.25A) 42h = 33mV (3.3A) 43h = 33.5mV (3.35A) 44h = 34mV (3.4A) 45h = 34.5mV (3.45A) 46h = 35mV (3.5A) 47h = 35.5mV (3.55A) 48h = 36mV (3.6A) 49h = 36.5mV (3.65A) 4Ah = 37mV (3.7A) 4Bh = 37.5mV (3.75A) 4Ch = 38mV (3.8A) 4Dh = 38.5mV (3.85A) 4Eh = 39mV (3.9A) 4Fh = 39.5mV (3.95A) 50h = 40mV (4A) 51h = 40.5mV (4.05A) 52h = 41mV (4.1A) 53h = 41.5mV (4.15A) 54h = 42mV (4.2A) 55h = 42.5mV (4.25A) 56h = 43mV (4.3A) 57h = 43.5mV (4.35A) 58h = 44mV (4.4A) 59h = 44.5mV (4.45A) 5Ah = 45mV (4.5A) 5Bh = 45.5mV (4.55A) 5Ch = 46mV (4.6A) 5Dh = 46.5mV (4.65A) 5Eh = 47mV (4.7A) 5Fh = 47.5mV (4.75A) 60h = 48mV (4.8A) 61h = 48.5mV (4.85A) 62h = 49mV (4.9A) 63h = 49.5mV (4.95A) 64h = 50mV (5A) 65h = 50.5mV (5.05A) 66h = 51mV (5.1A) 67h = 51.5mV (5.15A) 68h = 52mV (5.2A) 69h = 52.5mV (5.25A) 6Ah = 53mV (5.3A) 6Bh = 53.5mV (5.35A) 6Ch = 54mV (5.4A) 6Dh = 54.5mV (5.45A) 6Eh = 55mV (5.5A) 6Fh = 55.5mV (5.55A) 70h = 56mV (5.6A) 71h = 56.5mV (5.65A) 72h = 57mV (5.7A) 73h = 57.5mV (5.75A) 74h = 58mV (5.8A) 75h = 58.5mV (5.85A) 76h = 59mV (5.9A) 77h = 59.5mV (5.95A) 78h = 60mV (6A) 79h = 60.5mV (6.05A) 7Ah = 61mV (6.1A) 7Bh = 61.5mV (6.15A) 7Ch = 62mV (6.2A) 7Dh = 62.5mV (6.25A) 7Eh = 63mV (6.3A) 7Fh = 63.5mV (6.35A) 80h = 64mV (6.4A) 81h = 64.5mV (6.45A) 82h = 65mV (6.5A) 83h = 65.5mV (6.55A) 84h = 66mV (6.6A) 85h = 66.5mV (6.65A) 86h = 67mV (6.7A) 87h = 67.5mV (6.75A) 88h = 68mV (6.8A) 89h = 68.5mV (6.85A) 8Ah = 69mV (6.9A) 8Bh = 69.5mV (6.95A) 8Ch = 70mV (7A) 8Dh = 70mV (7A) 8Eh = 70mV (7A) 8Fh = 70mV (7A) 90h = 70mV (7A) 91h = 70mV (7A) 92h = 70mV (7A) 93h = 70mV (7A) 94h = 70mV (7A) 95h = 70mV (7A) 96h = 70mV (7A) 97h = 70mV (7A) 98h = 70mV (7A) 99h = 70mV (7A) 9Ah = 70mV (7A) 9Bh = 70mV (7A) 9Ch = 70mV (7A) 9Dh = 70mV (7A) 9Eh = 70mV (7A) 9Fh = 70mV (7A) A0h = 70mV (7A) A1h = 70mV (7A) A2h = 70mV (7A) A3h = 70mV (7A) A4h = 70mV (7A) A5h = 70mV (7A) A6h = 70mV (7A) A7h = 70mV (7A) A8h = 70mV (7A) A9h = 70mV (7A) AAh = 70mV (7A) ABh = 70mV (7A) ACh = 70mV (7A) ADh = 70mV (7A) AEh = 70mV (7A) AFh = 70mV (7A) B0h = 70mV (7A) B1h = 70mV (7A) B2h = 70mV (7A) B3h = 70mV (7A) B4h = 70mV (7A) B5h = 70mV (7A) B6h = 70mV (7A) B7h = 70mV (7A) B8h = 70mV (7A) B9h = 70mV (7A) BAh = 70mV (7A) BBh = 70mV (7A) BCh = 70mV (7A) BDh = 70mV (7A) BEh = 70mV (7A) BFh = 70mV (7A) C0h = 70mV (7A) C1h = 70mV (7A) C2h = 70mV (7A) C3h = 70mV (7A) C4h = 70mV (7A) C5h = 70mV (7A) C6h = 70mV (7A) C7h = 70mV (7A) C8h = 70mV (7A) C9h = 70mV (7A) CAh = 70mV (7A) CBh = 70mV (7A) CCh = 70mV (7A) CDh = 70mV (7A) CEh = 70mV (7A) CFh = 70mV (7A) D0h = 70mV (7A) D1h = 70mV (7A) D2h = 70mV (7A) D3h = 70mV (7A) D4h = 70mV (7A) D5h = 70mV (7A) D6h = 70mV (7A) D7h = 70mV (7A) D8h = 70mV (7A) D9h = 70mV (7A) DAh = 70mV (7A) DBh = 70mV (7A) DCh = 70mV (7A) DDh = 70mV (7A) DEh = 70mV (7A) DFh = 70mV (7A) E0h = 70mV (7A) E1h = 70mV (7A) E2h = 70mV (7A) E3h = 70mV (7A) E4h = 70mV (7A) E5h = 70mV (7A) E6h = 70mV (7A) E7h = 70mV (7A) E8h = 70mV (7A) E9h = 70mV (7A) EAh = 70mV (7A) EBh = 70mV (7A) ECh = 70mV (7A) EDh = 70mV (7A) EEh = 70mV (7A) EFh = 70mV (7A) F0h = 70mV (7A) F1h = 70mV (7A) F2h = 70mV (7A) F3h = 70mV (7A) F4h = 70mV (7A) F5h = 70mV (7A) F6h = 70mV (7A) F7h = 70mV (7A) F8h = 70mV (7A) F9h = 70mV (7A) FAh = 70mV (7A) FBh = 70mV (7A) FCh = 70mV (7A) FDh = 70mV (7A) FEh = 70mV (7A) FFh = 70mV (7A) |
表 9-5 展示了 VOUT_TARGET1_LSB。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-0 | VOUT_A | R/W | FFh | 輸出目標(biāo)電壓 邏輯寄存器 Vout 設(shè)置 下限：3.3V 或 1V，具體取決于 SEL__FB_DIV20 上限：48V 或 24V，具體取決于 SEL__FB_DIV20 步長(zhǎng)：20mV 或 10mV，具體取決于 SEL__FB_DIV20 針對(duì) 10mV 進(jìn)行值計(jì)算 針對(duì) 20mV 進(jìn)行值計(jì)算 |
表 9-6 展示了 VOUT_TARGET1_MSB。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-4 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
| 3-0 | VOUT_A | R/W | 0h | 輸出目標(biāo)電壓 邏輯寄存器 Vout 設(shè)置 下限：3.3V 或 1V，具體取決于 SEL__FB_DIV20 上限：48V 或 24V，具體取決于 SEL__FB_DIV20 步長(zhǎng)：20mV 或 10mV，具體取決于 SEL__FB_DIV20 針對(duì) 20mV 進(jìn)行值計(jì)算。 針對(duì) 10mV 進(jìn)行值計(jì)算。 |
表 9-7 展示了 USB_PD_STATUS_0。
返回到匯總表。
USB-PD 狀態(tài)寄存器
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
| 6 | CC_OPERATION | R | 0h | 恒流 (CC) ILIM 運(yùn)行的瞬時(shí)狀態(tài) |
| 5.0 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
表 9-8 展示了 STATUS_BYTE。
返回到匯總表。
故障狀態(tài)低字節(jié)
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7 | BUSY | R | 0h | 單元忙 0h = 單元不忙 1h = 單元忙 |
| 6 | 關(guān)閉 | R | 0h | 器件不提供 VOUT 和/或器件關(guān)閉 0h = 單元開啟 1h = 單元關(guān)閉 |
| 5 | VOUT | R | 0h | VOUT_OV 故障 0h = 無故障 1h = 故障 |
| 4 | IOUT | R | 0h | IOUT_OC 故障 0h = 無故障 1h = 故障 |
| 3 | 輸入 | R | 0h | VIN_UV 故障 0h = 無故障 1h = 故障 |
| 2 | 溫度 | R | 0h | 溫度故障或警告 0h = 無故障 1h = 故障 |
| 1 | CML | R | 0h | 通信、邏輯、存儲(chǔ)器事件 0h = 無故障 1h = 故障 |
| 0 | 其他 | R | 0h | 其他故障或警告 0h = 無故障 1h = 故障 |
表 9-9 展示了 USB_PD_CONTROL_0。
返回到匯總表。
USB-PD 控制寄存器
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-2 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
| 1 | FORCE_DISCH | R/W | 0h | 激活 Vo 放電 0h = 禁用 1h = 啟用 |
| 0 | CONV_EN2 | R/W | 0h | 啟用功率級(jí) 0h = 禁用 1h = 啟用 |
表 9-10 展示了 MFR_SPECIFIC_D0。
返回到匯總表。
CONFIG_0 器件配置寄存器 0
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
| 6 | EN_NEG_CL_LIMIT | R/W | 0h | 為負(fù)電流限制啟用 ILIM，如果禁用，ILIM 將鉗位正 I_L 0h = 禁用 1h = 啟用 |
| 5 | EN_VCC1 | R/W | 1h | 啟用 VCC1 輔助 LDO 0h = 禁用 1h = 啟用 |
| 4 | IMON_LIMITER_EN | R/W | 1h | 啟用限制器配置中的 Imon 0h = 禁用 1h = 啟用 |
| 3 | HICCUP_EN | R/W | 0h | 啟用斷續(xù)短路 0h = 禁用 1h = 啟用 |
| 2 | DRSS_EN | R/W | 0h | 啟用雙展頻 0h = 禁用 1h = 啟用 |
| 1 | USLEEP_EN | R/W | 1h | 啟用微睡眠模式 0h = 禁用 1h = 啟用 |
| 0 | CONV_EN | R/W | 0h | 啟用功率級(jí) 0h = 禁用 1h = 啟用 |
表 9-11 展示了 MFR_SPECIFIC_D1。
返回到匯總表。
CONFIG_1 器件配置寄存器 1
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7 | EN_THER_WARN | R/W | 0h | 啟用熱警告 0h = 禁用 1h = 啟用 |
| 6-5 | THW_THRESHOLD | R/W | 0h | 選擇熱警告閾值 0h = 140°C 1h = 125°C 2h = 110°C 3h = 95°C |
| 4 | EN_NINT | R/W | 1h | 配置 nFLT 引腳處理程序以用作中斷引腳或 nFLT 引腳 0h = 禁用 1h = 啟用 |
| 3 | EN_DTRK_STARTOVER | R/W | 1h | 允許在啟用了 DTRK 的情況下無需等待 DTRK PWM 信號(hào)即可直接啟動(dòng) 0h = 禁用 1h = 啟用 |
| 2 | FORCE_BIASPIN | R/W | 0h | 允許通過降低閾值優(yōu)先從 BIAS 為 VCC2 供電。 0h = 禁用 1h = 啟用 |
| 1 | EN_BB_2P_FPWM | R/W | 0h | 在 fPWM 模式下啟用兩相 BB 切換 0h = 禁用 1h = 啟用 |
| 0 | EN_BB_2P_PSM | R/W | 1h | 在 PSM 模式下啟用兩相 BB 切換 0h = 禁用 1h = 啟用 |
表 9-12 展示了 MFR_SPECIFIC_D2。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
| 6 | EN_ACTIVE_DVS | R/W | 1h | 通過放電為 DVS 啟用主動(dòng)斜降 0h = 禁用 1h = 啟用 |
| 5-4 | DVS_SLEW_RAMP | R/W | 3h | 設(shè)置 DVS 的正負(fù) Vo 壓擺率 0h = 40mV/us 1h = 20mV/us 2h = 1mV/us 3h = 0.5mV/us |
| 3-2 | DISCHARGE_STRENGTH | R/W | 2h | 設(shè)置 Vo 放電的放電電流 0h = 慢速 (25mA) 1h = 中速 (50mA) 2h = 快速 (75mA) 3h = 快速 (75mA) |
| 1 | DISCHARGE_CONFIG0 | R/W | 1h | 與 CONV_EN 一起選擇放電 0h = 禁用 1h = 啟用 |
| 0 | DISCHARGE_CONFIG1 | R/W | 0h | 選擇放電直到 VTH DISCH 0h = 禁用 1h = 啟用 |
表 9-13 展示了 MFR_SPECIFIC_D5。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-6 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
| 5-0 | V_OVP2 | R/W | 3Fh | OVP2 閾值電壓 0h = 4.00V 1h = 4.500V 2h = 5.000V 3h = 5.500V 4h = 6.000V 5h = 6.500V 6h = 7.000V 7h = 7.500V 8h = 8.000V 9h = 8.500V Ah = 9.000V Bh = 9.500V Ch = 10.000V Dh = 10.500V Eh = 11.000V Fh = 11.500V 10h = 12.000V 11h = 12.500V 12h = 13.000V 13h = 13.500V 14h = 14.000V 15h = 14.500V 16h = 15.000V 17h = 15.500V 18h = 16.000V 19h = 17.000V 1Ah = 18.000V 1Bh = 19.000V 1Ch = 20.000V 1Dh = 21.000V 1Eh = 22.000V 1Fh = 23.000V 20h = 24.000V 21h = 25.000V 22h = 26.000V 23h = 27.000V 24h = 28.000V 25h = 29.000V 26h = 30.000V 27h = 31.000V 28h = 32.000V 29h = 33.000V 2Ah = 34.000V 2Bh = 35.000V 2Ch = 36.000V 2Dh = 37.000V 2Eh = 38.000V 2Fh = 39.000V 30h = 40.000V 31h = 41.000V 32h = 42.000V 33h = 43.000V 34h = 44.000V 35h = 45.000V 36h = 46.000V 37h = 47.000V 38h = 48.000V 39h = 49.000V 3Ah = 50.000V 3Bh = 51.000V 3Ch = 52.000V 3Dh = 53.000V 3Eh = 54.000V 3Fh = 55.000V |
表 9-14 展示了 MFR_SPECIFIC_D6。
返回到匯總表。
PS_Config0 功率級(jí)配置
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-6 | CONFIG_SYNC_PIN | R/W | 0h | 選擇 SYNC 功能以維持并行運(yùn)行 0h = 上升沿輸入同步 1h = 下降沿輸入同步 2h = 從內(nèi)部上升沿同步輸出 3h = 從內(nèi)部下降沿同步輸出（180 度相移） |
| 5 | EN_CONST_TDEAD | R/W | 0h | 強(qiáng)制對(duì) SEL_MIN_DEADTIME_GDRV 的設(shè)置使用恒定死區(qū)時(shí)間。禁用最小 Tdead 的頻率依賴性 0h = 禁用 1h = 啟用 |
| 4 | SEL_SCALE_DT | R/W | 1h | 調(diào)整柵極驅(qū)動(dòng)器死區(qū)時(shí)間頻率依賴性和 2MHz 設(shè)定值 0h = 禁用 1h = 啟用 |
| 3-2 | SEL_MIN_DEADTIME_GDRV | R/W | 1h | 定義柵極驅(qū)動(dòng)器在 fsw = 2MHz 時(shí)的最短死區(qū)時(shí)間 0h = 10ns（無延遲） 1h = 20ns 2h = 40ns 3h = 60ns |
| 1-0 | BB_MIN_TIME_OFFSET | R/W | 1h | 調(diào)整柵極刷新的 BB 最小 Ton 或 Toff 時(shí)間 0h = 0.75 倍 1h = 1 倍 2h = 1.25 倍 3h = 1.5 倍 |
表 9-15 展示了 MFR_SPECIFIC_D7。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-6 | NIL | R | 0h | 此位未在硬件中實(shí)現(xiàn)。在寫入操作期間會(huì)忽略此位的數(shù)據(jù)。在讀取操作期間會(huì)返回 0。 |
| 5-4 | SEL_INDUC_DERATE | R/W | 2h | 選擇在 PSM 模式下達(dá)到斜率的電感器降額 0h = 禁用 1h = 20% 2h = 30% 3h = 40% |
| 3-0 | SEL_SLOPE_COMP | R/W | 8h | 選擇斜率補(bǔ)償電流與 RT 電流之比 0h = 0.125 1h = 0.25 2h = 0.375 3h = 0.5 4h = 0.625 5h = 0.75 6h = 0.875 7h = 1 8h = 1.5 9h = 2 Ah = 2.5 Bh = 3 Ch = 3.5 Dh = 4 Eh = 4.5 Fh = 5 |
表 9-16 展示了 MFR_SPECIFIC_D8。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7 | SEL_FB_DIV20 | R/W | 1h | 選擇內(nèi)部 FB 分壓器分壓比為 20 0h = DIV10 1h = DIV20 |
| 6 | EN_CDC | R/W | 0h | 啟用電纜壓降補(bǔ)償 0h = 禁用 1h = 啟用 |
| 5-4 | CDC_GAIN | R/W | 0h | 選擇 CDC 電壓 (1V) 相對(duì)于 Vout 的增益 0h = 0.250V 1h = 0.500V 2h = 1.000V 3h = 2.000V |
| 3-2 | SEL_DRV1_SEQ | R/W | 1h | 選擇 DRV 1 運(yùn)行時(shí)序 0h = 如果轉(zhuǎn)換器運(yùn)行關(guān)閉，則拉至低電平/CP 運(yùn)行 1h = 如果轉(zhuǎn)換器運(yùn)行開啟，則拉至低電平/CP 運(yùn)行 2h = 強(qiáng)制激活 3h = 強(qiáng)制關(guān)閉 |
| 1-0 | SEL_DRV1_SUP | R/W | 0h | 為 DRV1 引腳選擇驅(qū)動(dòng)器配置 0h = 開漏（有效 = 拉至低電平） 1h = Vout 2h = VBIAS 3h = VCC2（電荷泵驅(qū)動(dòng)器） |
表 9-17 展示了 IVP_VOLTAGE。
返回到匯總表。
| 位 | 字段 | 類型 | 復(fù)位 | 說明 |
|---|---|---|---|---|
| 7-0 | V_IVP | R/W | FFh | 輸入過壓保護(hù)和調(diào)節(jié)閾值： 0h = 4.75V 1h = 4.875V 2h = 5.000V 3h = 5.125V 4h = 5.250V 5h = 5.375V 6h = 5.500V 7h = 5.625V 8h = 5.750V 9h = 5.875V Ah = 6.000V Bh = 6.125V Ch = 6.250V Dh = 6.375V Eh = 6.500V Fh = 6.625V 10h = 6.750V 11h = 6.875V 12h = 7.000V 13h = 7.125V 14h = 7.250V 15h = 7.375V 16h = 7.500V 17h = 7.625V 18h = 7.750V 19h = 7.875V 1Ah = 8.000V 1Bh = 8.125V 1Ch = 8.250V 1Dh = 8.375V 1Eh = 8.500V 1Fh = 8.625V 20h = 8.750V 21h = 8.875V 22h = 9.000V 23h = 9.125V 24h = 9.250V 25h = 9.375V 26h = 9.500V 27h = 9.625V 28h = 9.750V 29h = 9.875V 2Ah = 10.000V 2Bh = 10.125V 2Ch = 10.250V 2Dh = 10.375V 2Eh = 10.500V 2Fh = 10.625V 30h = 10.750V 31h = 10.875V 32h = 11.000V 33h = 11.125V 34h = 11.250V 35h = 11.375V 36h = 11.500V 37h = 11.625V 38h = 11.750V 39h = 11.875V 3Ah = 12.000V 3Bh = 12.125V 3Ch = 12.250V 3Dh = 12.375V 3Eh = 12.500V 3Fh = 12.625V 40h = 12.750V 41h = 12.875V 42h = 13.000V 43h = 13.125V 44h = 13.250V 45h = 13.375V 46h = 13.500V 47h = 13.625V 48h = 13.750V 49h = 13.875V 4Ah = 14.000V 4Bh = 14.125V 4Ch = 14.250V 4Dh = 14.375V 4Eh = 14.500V 4Fh = 14.625V 50h = 14.750V 51h = 14.875V 52h = 15.000V 53h = 15.125V 54h = 15.250V 55h = 15.375V 56h = 15.500V 57h = 15.625V 58h = 15.750V 59h = 15.875V 5Ah = 16.000V 5Bh = 16.125V 5Ch = 16.250V 5Dh = 16.375V 5Eh = 16.500V 5Fh = 16.625V 60h = 16.750V 61h = 16.875V 62h = 17.000V 63h = 17.125V 64h = 17.250V 65h = 17.375V 66h = 17.500V 67h = 17.625V 68h = 17.750V 69h = 17.875V 6Ah = 18.000V 6Bh = 18.125V 6Ch = 18.250V 6Dh = 18.375V 6Eh = 18.500V 6Fh = 18.625V 70h = 18.750V 71h = 18.875V 72h = 19.000V 73h = 19.125V 74h = 19.250V 75h = 19.375V 76h = 19.500V 77h = 19.625V 78h = 19.750V 79h = 19.875V 7Ah = 20.000V 7Bh = 20.125V 7Ch = 20.250V 7Dh = 20.375V 7Eh = 20.500V 7Fh = 20.625V 80h = 20.750V 81h = 20.875V 82h = 21.000V 83h = 21.125V 84h = 21.250V 85h = 21.375V 86h = 21.500V 87h = 21.625V 88h = 21.750V 89h = 21.875V 8Ah = 22.000V 8Bh = 22.125V 8Ch = 22.250V 8Dh = 22.375V 8Eh = 22.500V 8Fh = 22.625V 90h = 22.750V 91h = 22.875V 92h = 23.000V 93h = 23.125V 94h = 23.250V 95h = 23.500V 96h = 23.750V 97h = 24.000V 98h = 24.250V 99h = 24.500V 9Ah = 24.750V 9Bh = 25.000V 9Ch = 25.250V 9Dh = 25.500V 9Eh = 25.750V 9Fh = 26.000V A0h = 26.250V A1h = 26.500V A2h = 26.750V A3h = 27.000V A4h = 27.250V A5h = 27.500V A6h = 27.750V A7h = 28.000V A8h = 28.250V A9h = 28.500V AAh = 28.750V ABh = 29.000V ACh = 29.250V ADh = 29.500V AEh = 29.750V AFh = 30.000V B0h = 30.250V B1h = 30.500V B2h = 30.750V B3h = 31.000V B4h = 31.250V B5h = 31.500V B6h = 31.750V B7h = 32.000V B8h = 32.250V B9h = 32.500V BAh = 32.750V BBh = 33.000V BCh = 33.250V BDh = 33.500V BEh = 33.750V BFh = 34.000V C0h = 34.250V C1h = 34.500V C2h = 34.750V C3h = 35.000V C4h = 35.250V C5h = 35.500V C6h = 35.750V C7h = 36.000V C8h = 36.250V C9h = 36.500V CAh = 36.750V CBh = 37.000V CCh = 37.250V CDh = 37.500V CEh = 37.750V CFh = 38.000V D0h = 38.250V D1h = 38.500V D2h = 38.750V D3h = 39.000V D4h = 39.250V D5h = 39.500V D6h = 39.750V D7h = 40.000V D8h = 40.250V D9h = 40.500V DAh = 40.750V DBh = 41.000V DCh = 41.250V DDh = 41.500V DEh = 41.750V DFh = 42.000V E0h = 42.250V E1h = 42.500V E2h = 42.750V E3h = 43.000V E4h = 43.250V E5h = 43.500V E6h = 43.750V E7h = 44.000V E8h = 44.250V E9h = 44.500V EAh = 44.750V EBh = 45.000VECh = 45.250V EDh = 45.500V EEh = 45.750V EFh = 46.000V F0h = 46.250V F1h = 46.500V F2h = 46.750V F3h = 47.000V F4h = 47.250V F5h = 47.500V F6h = 47.750V F7h = 48.000V F8h = 48.250V F9h = 48.500V FAh = 48.750V FBh = 49.000V FCh = 49.250V FDh = 49.500V FEh = 49.750V FFh = 50.000V |