Packaging information
| Package | Pins VQFN (RGE) | 23 |
| Operating temperature range (°C) -40 to 125 |
| Package qty | Carrier 3,000 | LARGE T&R |
Features for the TPS1214-Q1
- AEC-Q100 automotive qualified for grade 1 temperature
- 3.5V to 73V input range (74V absolute maximum)
- Reverse input protection down to –65V
- TPS12141-Q1 with reverse FET ON (–45V)
- Integrated 12V charge pump
- Low IQ = 20µA in low power mode (LPM = Low)
- Low 1µA shutdown current (EN/UVLO = Low)
- Dual gate drive: GATE: 0.5A source and 2A sink G: 100µA source and 0.39A sink
- Accurate I2t overcurrent protection (IOC) with adjustable circuit breaker timer (I2t)
- Accurate and fast (5µs) short-circuit protection
- Fast transition (5µs) from low power mode to active mode using adjustable load wakeup threshold or LPM trigger with WAKE indication
- Accurate analog current monitor output (IMON): ±2% at 30mV VSNS
- NTC based overtemperature sensing (TMP) and monitoring output (ITMPO)
- Fault indication (FLT) during short circuit fault, I2t, charge pump UVLO
- TPS12142-Q1 (RPP turn OFF), TPS12143-Q1 (RPP turn ON) with I2t disabled
- Accurate and adjustable undervoltage lockout (UVLO)
- Short-circuit comparator diagnosis (SCP_TEST)
Description for the TPS1214-Q1
TPS1214-Q1 is a family of low IQ smart high side drivers with protection and diagnostics. With wide operating voltage range of 3.5V to 73V and a 74V absolute maximum rating the device is suitable for 12V, 24V, and 48V automotive system designs.
It has two integrated gate drives with 0.5A source and 2A sink (GATE) and 100µA source and 0.39A sink (G). With LPM Low, the low power path is kept ON and the main FETs are turned OFF with IQ of 20µA (typ). Auto load wakeup threshold adjusted using RBYPASS resistor placed across CS2+ and CS2–. IQ reduces to 1µA (typ) with EN/UVLO low.
The device has accurate current sensing (±2%) output (IMON) with adjustable I2t based overcurrent and short circuit protection using an external RSNS resistor and FLT indication. Auto-retry and latch-off fault behavior can be configured. The device also has NTC based temperature sensing (TMP) and monitoring output (ITMPO) output for overtemperature detection of external FETs.
The TPS1214-Q1 is available in 23-pin VQFN package.