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DATA SHEET
TPS2585x-Q1 2.2-MHz, Low EMI Dual 3-A USB Type-C® Charging Ports Converter With Thermal Management and Programmable Current Limit
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 emissions
- 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)
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