TPS25846-Q1
TPS25846-Q1 is Synchronous Step-Down Converter manufactured by Texas Instruments.
Features
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1:
- 40°C to +125°C, TA
- HBM ESD classification level H2
- CDM ESD classification level C5
- Synchronous buck DC/DC regulator
- Input voltage range: 4.5 V to 36 V
- Output current: 3.5 A
- 5.1-V output voltage with ±1% accuracy
- Current mode control
- Adjustable frequency: 300 k Hz to 2.2 MHz
- Frequency synchronization to external clock
- FPWM with spread-spectrum dithering
- Internal pensation for ease of use
- pliant to USB-IF standards
- CDP/SDP mode per USB BC1.2
- Optimized for USB power and munication
- User-programmable USB current limit
- Cable droop pensation up to 1.5 V
- High bandwidth data switches on DP and DM
- Client mode for system update
- Integrated protection
- VBUS short-to-VBAT protection
- DP_IN and DM_IN short-to-VBAT
- DP_IN and DM_IN short-to-VBUS
- DP_IN, DM_IN IEC 61000-4-2 rated
- ±8-k V contact and ±15-k V air discharge
- Fault flag reports
- 32-pin QFN package with wettable flank
2 Applications
- Automotive infotainment
- USB media hubs
- USB charger ports
3 Description
The TPS25846-Q1 is a USB Type-A BC1.2 charging solution that includes a synchronous DC/DC converter. With cable droop pensation, the Vbus voltage remains constant regardless of load current, ensuring connected portable devices are charged at optimal current and voltage even under heavy loads.
The TPS25846-Q1 includes high bandwidth analog switches for DP and DM pass-through. The device also integrates short to battery protection on VBUS, DM_IN and DP_IN pins. These pins can withstand voltage up to 18 V.
Device Information(1)
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