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DATA SHEET
LP87702-Q1 Dual Buck Converter and 5-V Boost With Diagnostic Functions
1 Features
- AEC-Q100 Qualified for Automotive Applications:
- Device Temperature Grade 1: –40°C to +125°C, TA
- Functional Safety Quality-Managed
- Documentation Available
to Aid Functional Safety System Design
- Two Inputs for External Voltage Monitoring
- Two Programmable
Power-Good Signals
- Dedicated Reference
Voltage for Diagnostics
- Window Watchdog with
Reset Output
- Output Short-Circuit and
Overload Protection
- Overtemperature Warning
and Protection
- Overvoltage Protection
(OVP) and Undervoltage Lockout (UVLO)
- Two High-Efficiency Step-Down DC/DC converters:
- Maximum Output Current 3.5 A
- 2-MHz, 3-MHz, or 4-MHz Switching Frequency
- Auto PWM/PFM and Forced-PWM Operations
- Output Voltage = 0.7 V to 3.36 V
- 5-V Boost Converter
- Maximum Output Current 600 mA
- External Clock Input to Synchronize Switching
- Spread-Spectrum Modulation
- Programmable Start-up and Shutdown Delays and Sequencing with Enable Signal
- Configurable General Purpose Outputs (GPOs)
- I2C-Compatible Interface Supporting Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
- Interrupt Function with Programmable Masking