ZHCSTD4B September 2019 – October 2023 BQ75614-Q1
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | NOM | MAX | UNIT | |
|---|---|---|---|---|---|---|
| POWER STATE TIMING | ||||||
| tSU(WAKE_SHUT) | Startup from SHUTDOWN to ACTIVE mode | From the end of WAKE ping to ready to accept UART command | 6 | 10 | ms | |
| tSU(SLP2ACT) | Startup from SLEEP to ACTIVE mode (with SLEEP2ACTIVE ping/tone) (Not available for standalone device) | From the end of SLEEP2ACTIVE ping to ready to accept UART command | 230 | µs | ||
| tSU(WAKE_SLP) | Startup from SLEEP to ACTIVE mode (with WAKE ping/tone)(Not available for standalone device) | From the end of WAKE ping to ready to accept UART command | 1 | ms | ||
| tSLP | From ACTIVE to SLEEP mode | From receiving SLEEP entry condition to enter in SLEEP mode | 100 | µs | ||
| tSHTDN | From ACTIVE to SLHUTDOWN mode | From receiving SHUTDOWN entry condition to enter in SHUTDOWN mode (all LDOs in 10% of their norminal value) | 20 | ms | ||
| tRST | Reset time during ACTIVE mode | CONTROL1[SOFT_RST] = 1 is sent to a completion of the digital reset | 1 | ms | ||
| tHWRST | The time device will be in HW reset, after HW reset ping/tone issued | 75 | ms | |||
| SUPPLIES TIMING | ||||||
| tTSREF_ON | TSREF ramp up time (10%-90%) | CTSREF = 1µF | 6 | ms | ||
| tTSREF_OFF | TSREF ramp down time (90%-10%) | CTSREF = 1µF | 8 | ms | ||
| PING SIGNAL TIMING | ||||||
| tHLD_WAKE | WAKE ping low time on RX pin; no external load on CVDD | 2 | 2.5 | ms | ||
| tHLD_SD | SHUTDOWN ping low time on RX pin; no external load on CVDD | 7 | 10 | ms | ||
| tUART(StA) | SLEEPtoACTIVE ping low time on RX pin | 250 | 300 | µs | ||
| tHLD_HWRST | HW_RESET ping low time on RX pin | 36 | ms | |||
| MAIN and AUX ADC TIMING | ||||||
| tSAR_CONV | Single conversion time (both Main and AUX ADCs) | 8 | µs | |||
| tMAIN_ADC_CYCLE | Single round robin cycle (Main ADC) | 192 | µs | |||
| tAUX_ADC_CYCLE | Single round robin cycle (AUX ADC) | 192 | µs | |||
| tAFE_SETTLE | Analog front end (Level shifters) settling time whenever device enter ACTIVE mode from SLEEP or SHUTDOWN | 4 | ms | |||
| tCS_SETTLE | CS ADC settling time | 62 | µs | |||
| tCS_REFRESH | Continious mode refresh rate | CS_DS[1:0] = 11 | 4.096 | ms | ||
| tCS_REFRESH | Continious mode refresh rate | CS_DS[1:0] = 10 | 1.024 | ms | ||
| tCS_REFRESH | Continious mode refresh rate | CS_DS[1:0] = 01 | 0.512 | ms | ||
| tCS_REFRESH | Continious mode refresh rate | CS_DS[1:0] = 00 | 0.256 | ms | ||
| tCS_CONV | Single conversion time on CS ADC | CS_DS[1:0] = 11 | 12.350 | ms | ||
| CS_DS[1:0] = 10 | 3.134 | ms | ||||
| CS_DS[1:0] = 01 | 1.598 | ms | ||||
| CS_DS[1:0] = 00 | 0.83 | ms | ||||
| tADC_ACC | This includes mux round robin, ADC conversions, and digital filters. | -1.5 | 1.5 | % | ||
| BALANCING TIMING | ||||||
| tBAL_ACC | Balancing timer accuracy | -5 | 5 | % | ||
| HW COMPARATORS/PROTECTORS TIMING | ||||||
| tOV_CYCLE | OV round robin cycle | 8 | ms | |||
| tUV_CYCLE | UV round robin cycle | 8 | ms | |||
| tOVUV_BIST_CYCLE | OV and UV BIST cycle | 21.8 | 23 | 24.2 | ms | |
| tOT_CYCLE | OT round robin cycle | 4 | ms | |||
| tUT_CYCLE | UT round robin cycle | 4 | ms | |||
| tPWR_BIST_CYCLE | Time needed for the power supply BIST to complete after the power BIST go command | 10.9 | 11.5 | 12.1 | ms | |
| tOTUT_BIST_CYCLE | OT and UT BIST cycle | 19 | 20 | 21 | ms | |
| tHW_COMP_ACC | OV,UV,OT,UT comparators timing accuracy | -5 | 5 | % | ||
| I/O TIMING (TX, RX, GPIO, NFAULT) | ||||||
| tRISE | Rise Time | VCVDD > MIN VCVDD, CLOAD = 150pF, GPIO in output mode | 12 | ns | ||
| tFALL | Fall Time (exclude NFAULT) | VCVDD > MIN VCVDD, CLOAD = 150pF, GPIO in output mode | 7 | ns | ||
| tFALL_NFAULT | Fall Time on NFAULT | VCVDD > MIN VCVDD, CLOAD = 150pF, RPULLUP = 10kΩ | 100 | ns | ||
| UART TIMING | ||||||
| UARTBAUD | UART TX/RX Baud Rate | 1 | Mbps | |||
| UARTERR_BAUD(RX) | UART RX baud rate error - requirement on the external host | -1 | 1 | % | ||
| UARTERR_BAUD(TX) | UART TX baud rate error | -1.5 | 1.5 | % | ||
| tUART(CLR) | UART Clear low time | 15 | 20 | bit period | ||
| tUART(RX_HIGH) | After COMM CLEAR, wait this time before sending new frame | 1 | bit period | |||
| OTP NVM TIMING | ||||||
| tCRC_CUST | Time to complet a single cycle of CRC check on the customer OTP space | 175 | µs | |||
| tCRC_FACT | Time to complet a single cycle of CRC check on the factory OTP space | 1.6 | ms | |||
| SPI CONTROLLER TIMING | ||||||
| fSCLK | SCLK frequency | 450 | 500 | 550 | kHz | |
| tHIGH, tLOW | SCLK duty cycle | 50 | % | |||
| tCS(HIGH) | CS HIGH latency time. Time from register write high to CS pin high | 4 | µs | |||
| tCS(LOW) | CS LOW latency time. Time from register write low to CS pin low | 4 | µs | |||
| tSU(POCI) | POCI input data setup time - requirement for slave device | POCI stable before SCLK transition | 100 | ns | ||
| tHD(POCI) | POCI input dat hold time | POCI stable after SCLK transition | 0 | ns | ||
| OSCILLATOR | ||||||
| fHFO | High frequency oscillator | 31.52 | 32 | 32.48 | MHz | |
| fLFO | Low frequency oscillator | 248.9 | 262 | 275.1 | kHz | |