TPS1211-Q1 45V Automotive Smart High-Side Driver With Protection and Diagnostics

1 Features

AEC-Q100 qualified with the following results
- Device temperature grade 1:
  –40°C to +125°C ambient operating temperature range
Functional Safety-Capable
- Documentation available to aid functional safety system design
3.5V to 40V input range (45V absolute maximum)
Output reverse polarity protection down to –30V
Integrated 12V charge pump with 100µA capacity
Low 0.9µA shutdown current (EN/UVLO = Low)
Strong pullup (3.7A) and pulldown (4A) gate driver
Drives external back-to-back N-channel MOSFETs
Variant with integrated pre-charge switch driver (TPS12111-Q1) to drive capacitive loads
Two-level adjustable overcurrent protection (IWRN, ISCP) with adjustable response time (TMR) and fault flag output (FLT_I)
Fast short-circuit protection: 1.2µs (TPS12111-Q1, TPS12112-Q1), 4µs (TPS12110-Q1)
Accurate analog current monitor output (IMON): ±2% at 30mV (V_SNS)
Accurate, adjustable undervoltage lockout (UVLO) and overvoltage protection (OV): < ±2%
Remote overtemperature sensing (DIODE) and protection with fault flag output (FLT_T)
Pin-to-pin compatible with TPS4811-Q1