TPS2546-Q1 Texas instruments

TPS2546-Q1

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TPS2546-Q1

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Описание

The TPS2546-Q1 is a USB charging port controller and power switch with an integrated USB 2.0 high-speed data line (D+/D–) switch. TPS2546-Q1 provides the electrical signatures on D+/D– to support charging schemes listed under Feature Description. TI tests charging of popular mobile phones, tablets, and media devices with the TPS2546 to ensure compatibility with both BC1.2 compliant, and non-BC1.2 compliant devices. In addition to charging popular devices, the TPS2546-Q1 also supports two distinct power management features, namely, power wake and port power management (PPM) through the STATUS pin. Power wake allows for power supply control in S4/S5 charging and PPM the ability to manage port power in a multi-port application. Additionally, system wake up (from S3) with a mouse/keyboard (both low speed and full speed) is fully supported in the TPS2546-Q1. The TPS2546-Q1 73-mΩ power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. Two programmable current thresholds provide flexibility for setting current limits and load detect thresholds.

AEC-Q100 Qualified
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C5
Operating Range: 4.5 V to 5.5 V
D+/D– CDP/DCP Modes per USB Battery Charging Specification 1.2
D+/D– Shorted Mode per Chinese Telecommunication Industry Standard YD/T
1591-2009
Supports Non-BC1.2 Charging Modes by Automatic Selection:
- D+/D– Divider Modes 2 V/2.7 V and 2.7 V/2 V
- D+/D– 1.2-V Mode
Supports Sleep-Mode Charging and Mouse/Keyboard Wakeup
Automatic SDP/CDP Switching for Devices That Do Not Connect to CDP Ports
Load Detection for Power Supply Control in S4/S5 Charging and Port Power Management in All Charge Modes
Compatible With USB 2.0 and 3.0 Power Switch Requirements
I73-mΩ (Typical) High-Side MOSFET
Adjustable Current-Limit up to 3 A (Typical)
Operating Range: 4.5 V to 5.5 V
Max Device Current:
- 2 µA When Device Disabled
- 270 µA When Device Enabled
Drop-In and BOM Compatible With TPS2543
Available in 16-Pin WQFN (3.00 mm × 3.00 mm) Package

Product type	Charge port controller
Vin (min) (V)	4.5
Vin (max) (V)	5.5
Continuous current (max) (A)	2.5
Current limit (A)	0.25 to 3
Operating temperature range (°C)	-40 to 125
Enable	Active High
Number of switches	1
Current limit accuracy at 1 A	0.1
Rating	Automotive