NXP Semiconductors FS5600
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. FS5600 is developed to meet ASIL B requirements.| Part No. | FS5600 |
|---|---|
| Datasheet | FS5600 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Automotive buck regulator and controller |
| Buy | Stock & Price |
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 2.1 Overview FS5600 Functional Block Diagram SW1 - Buck Regulator Up to 36 V Input > 3 A Load Current 1.8 V to 8.0 V Output Internal FET SW2 - Buck Controller Up to 36 V Input Up to 15 A Load 1.8 V to 7.2 V Output External FET 4x VMON FS0B OTP Memory 2x PGOOD Watchdog 3x GPIO ABIST LBIST I2C Thermal Shutdown Clock Sync Spread Spectrum Frequency Tuning Figure 1.
