TPS25850QRPQRQ1 TI Switching Voltage Regulators Automotive USB charging ports Automotive USB media hubs3

TPS25850QRPQRQ1 TI Switching Voltage Regulators Automotive USB charging ports Automotive USB media hubs3

1.Features
•AEC-Q100 qualified for automotive applications:
–Temperature grade 1: TA range –40°C to +125°C
–HBM ESD classification level H2
–CDM ESD classification level C5
•Optimized for ultra-low EMI requirements:
–Meets CISPR25 class 5 standard
–HotRod™ package minimizes switch node ringing
–Spread spectrum reduces peak emission
Synchronous buck regulator
–High efficiency at 2.1 MHz: 93.4% at VIN = 13.5 V, IPA_BUS = 3 A and IPB_BUS = 3 A
–18-mΩ/10-mΩ low RDS(ON) buck regulator MOSFETs
–Operating voltage range: 5.5 V to 26 V, withstand 36-V input
–Adjustable frequency: 200 kHz to 3 MHz
–FPWM with spread-spectrum dithering
–Selectable output voltage: 5.1 V, 5.17 V, 5.3 V, 5.4 V
Internal power path:
–7-mΩ/7-mΩ low RDS(ON) internal USB power MOSFETs
–Programmable current limit for USB ports with high accuracy: ±10% at 3.4 A–OUT: 5.1 V, 200-mA supply for auxiliary loads
•Line drop compensation: 90 mV at 2.4-A load
Compliant to USB-IF standards–Type-C rev 1.3
•3-A capability advertisement on CC
•VBUS application and discharge
•VCONN source: 200 mA
•USB cable polarity detection (POL) (TPS25851-Q1)
Automatic DCP modes (TPS25850-Q1):
•Shorted mode per BC1.2 and YD/T 1591 2009
•1.2-V mode
•2.7-V Divider 3 mode
•Load shedding versus programmable TA
•Device TJ range: –40°C to +150°C
•FAULT flag reports (TPS25851-Q1 and TPS25852-Q1): USB overcurrent, thermal shutdown
•USB ports ON/OFF control (TPS25852-Q1)

2.2 Applications
•Automotive USB charging ports
•Automotive USB media hubs3
3.Description
The TPS258x-Q1 is an integrated USB charging port solution, which includes a synchronous DC/DC converter capable of supplying up to 6.6 A and integrated detection and control for implementing USB Battery Charging 1.2 and Type-C ports