1 General description
The FS5600 integrates a battery connected DC-DC controller with external FETs and a battery connected DCDC converter with internal FETs. It also offers functional safety features such as independent voltage monitors, windowed watchdog timer, I/O monitoring via ERRMON and FCCU, and built-in self-test.

2 Features and benefits
• 2 x high-voltage buck converters:
– Buck controller - external FETs - 900 mA gate drive - up to 15 A load capability
– Buck regulator - internal FETs - 3 A+ load capability
– ±2 % output accuracy
– 250 kHz to 3 MHz switching frequency
• High-efficiency PFM mode
• Safety features:
– Available in enhanced ASIL B, ASIL B, and QM variations
– Two internal and up to four high-accuracy external voltage monitors
– Windowed watchdog timer
– ERRMON and FCCU monitoring
– 2 x PGOOD and 1 x FS0B outputs
– ABIST and LBIST for latest failure check
• GPIOs for seamless operation with PF PMICs
• Rated from –40 °C to 150 °C TJ
• 32-Ld 5 mm x 5 mm QFN
• AEC-Q100 Grade-1 Qualified

3 Applications
QM to ASIL D automotive applications such as:
• Infotainment / cluster / driver awareness
• Telematics
• V2X
• Radar
• Vision
• ADAS
• Sensor fusion