ZHCSK78A september 2019 – august 2023 BQ21061
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| BATTERY CHARGE TIMERS | ||||||
| tMAXCHG | Charge safety timer | Programmable range | 180 | 720 | min | |
| tPRECHG | Precharge safety timer | 0.25 * tMAXCHG | ||||
| WATCHDOG TIMERS | ||||||
| tWATCHDOG_SW | SW Watchdog timer | 25 | 50 | s | ||
| tHW_RESET_WD | HW reset watchdog timer | HWRESET_14S_WD = 1 | 14 | s | ||
| LDO | ||||||
| tON_LDO | Turn ON time | 100mA load, to 90% VLDO | 500 | μs | ||
| tOFF_LDO | Turn OFF time | 100mA load, to 10% VLDO | 30 | μs | ||
| tPMID_LDO_DELAY | Delay between PMID and LDO enable during power up | Startup | 20 | ms | ||
| PUSHBUTTON TIMERS (/MR) | ||||||
| tWAKE1 | WAKE1 Timer. Timer for Ship Mode wake. | MR_WAKE1_TIMER = 0 | 106 | 125 | 144 | ms |
| tWAKE2 | WAKE2 Timer. Time from /MR falling edge to INT being asserted. | MR_WAKE2_TIMER = 1 | 1.7 | 2 | 2.3 | s |
| tRESET_WARN | RESET_WARN Timer. Time prior to HW RESET or entering Shipmode with /MR press | MR_RESET_WARN = 01 | 0.85 | 1 | 1.15 | s |
| tHW_RESET | Time from /MR Falling edge to HW RESET or PMID falling for Shipmode Entry | MR_HW_RESET = 01 | 6.8 | 8 | 9.2 | s |
| tRESTART(AUTOWAKE) | RESTART Timer. Time from /MR HW Reset to PMID power up | AUTOWAKE = 01 | 1.05 | 1.2 | 1.35 | s |
| PROTECTION | ||||||
| tDGL_SLP | Deglitch time for supply rising above VSLP + VSLP_HYS | 120 | μs | |||
| tDGL_OVP | Deglitch time for VOVP Threshold | VIN falling below VOVP | 32 | ms | ||
| tDGL_OCP | Battery OCP deglitch time | 30 | μs | |||
| tREC_SC | Recovery time, BAT Short Circuit during Discharge Mode | 250 | ms | |||
| tRETRY_SC | Retry window for PMID or BAT short circuit recovery | 2 | s | |||
| tDGL_SHTDWN | Deglitch time, Thermal shutdown | TJ rising above TSHUTDOWN | 10 | μs | ||
| I2C INTERFACE | ||||||
| tWATCHDOG | I2C interface reset timer for host | When enabled | 50 | s | ||
| tI2CRESET | I2C interface inactive reset timer | 500 | ms | |||
| INPUT PINS (/CE and /LP) | ||||||
| tLP_EXIT_I2C | Time for device to exit Low-power mode and allow I2C communication | VIN = 0V. | 1 | ms | ||