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Data Sheet
LM5171-Q1 Dual
Channel Bidirectional Controller
1 Features
- AEC-Q100 qualified
for automotive applications:
- Device temperature grade 1: –40°C to
+125°C ambient operating range
- Device HBM ESD classification level
2
- Device CDM ESD classification level
C4B
- Functional
Safety-Capable
- 85V HV-port and 80V LV-port max ratings
- 1% Typical accuracy of bidirectional current
regulation
- 1% Typical accuracy of channel current
monitoring
- I2C interface for monitoring and
diagnosis
- Built-in 3.5V 1% reference voltage
- Integrated 5V 10mA bias supply
- 5A peak half-bridge gate drivers
- Programmable or adaptive dead-time control
- Programmable oscillator frequency up to 1MHz with
optional synchronization to external clock
- Independent channel enabling control inputs
- Integrated both current and voltage loop control
- Programmable cycle-by-cycle peak current limit
- Over-temperature shutdown
- HV and LV port overvoltage protection
- Dynamically selectable diode emulation and forced PWM operation modes
- Programmable soft-start timer
- Support both multiphase and independent channel
operations
- Support urgent shutdown latch
