TPS40170-Q1 Automotive 4.5-V to 60-V, Wide-Input, Synchronous PWM Buck Controller

1 Features

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Qualified for automotive applications
AEC-Q100 qualified with the following results
- Device temperature grade 1: –40°C to 125°C ambient operating temperature range
- Device HBM ESD classification level 1C
- Device CDM ESD classification level C4B
Wide-input voltage range from 4.5 V to 60 V
600-mV reference voltage with 1% accuracy
Programmable UVLO and hysteresis
Voltage-mode control with voltage feed-forward
Programmable frequency between 100 kHz and 600 kHz
Bidirectional frequency synchronization with primary and secondary option
Low-side FET sensing overcurrent protection and high-side fet sensing short-circuit protection with integrated thermal compensation
Programmable closed-loop soft start
Supports pre-biased outputs
Thermal shutdown at 165°C with hysteresis
Voltage tracking
Power good
ENABLE with 1-µA low-current shutdown
8-V and 3.3-V LDO output
Integrated bootstrap diode
20-pin 4.5-mm × 3.5-mm VQFN (RGY) package