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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-5.5 V |
Description
The TPS2543 is a USB charging port controller and power switch with an integrated USB 2.0 high-speed data line (D+/D–) switch. The TPS2543 provides the electrical signatures on D+/D– to support the following charging schemes:USB Battery Charging Specification 1.2;Chinese Telecom Standard YD/T 1591-2009;Divider Mode, Compliant with Apple iPod, iPhone (1A), and iPad (2A) Mobile Digital Devices.Apple, iPod, iPhone, and iPad are trademarks of Apple Inc., registered in the U.S. and other countries.
The TPS2543 can be configured to automatically select the D+/D– mode needed to charge an attached device. The TPS2543 provides load detection via the STATUS pin that allows for both power supply control in S4/S5 charging and the ability to manage port power in a multi-port application. Additionally, system wake up (from S3) with a mouse/keyboard (low speed only) is fully supported in the TPS2343.
The TPS2543 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.
Features
- 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
- D+/D– Divider Modes 2.0V/2.7V and 2.7/2.0V Compliant with 1A and 2A Apple Mobile Digital Devices
- Automatic Selection of D+/D– Mode for an Attached Device
- Supports Sleep-Mode Charging and Mouse/Keyboard (Low-Speed Only)Wake Up
- Load Detection for Both Power
- Supply Control in S4/S5 Chargingand Port Power Management in all Charge Modes
- Compatible with USB 2.0 and 3.0 Power Switch Requirements
- 73-mΩ (typ) High-Side MOSFETAdjustable Current-Limit up to 3.0 A (typ)
- Operating Range: 4.5 V to 5.5 V
- Drop-In Compatible with TPS2540/40A
- Available in 16-Pin QFN (3x3) Package
- UL Listed and CB File No. E169910
Remarks:From User guides (1)TPS254xEVM-064 User Guide (Rev. A)
-In b/w Ic's TPD2E001DZDR and TPS2543RTE inductor connection is there but they are given value as L1=370ohm
Typical applications
- Universal Wall Charging Adapters
- USB Ports
- Notebook Desktop PCs
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Interface Type | Type | Gender | Pins (Value) (pcs) | Mount | Working Voltage (V (AC)) | Packaging | Winding Style | L (µH) | Z @ 100 MHz (Ω) | IR (A) | RDC max. (Ω) | VR (V) | VT (V (AC)) | Application | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 692112030100 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-COM USB 3.0 Type A SMT Plug with Clip | Type A | Horizontal | Plug | 9 | SMT | 30 | Tray | – | – | – | 1.8 | – | – | – | USB 3.0 | |
 | 692122030100 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-COM USB 3.0 Type A Horizontal SMT | Type A | Horizontal | Receptacle | 9 | SMT | 30 | Tape and Reel | – | – | – | 1.8 | – | – | – | USB 3.0 | |
 | 744231371 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CNSW SMT Common Mode Line Filter | – | – | – | 4 | SMT | – | – | bifiliar | 0.478 | 370 | 0.28 | 0.45 | 50 | 125 | IEEE1394/Firewire 400 Mbps |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 692112030100 | SPEC | – |
| 692122030100 | SPEC | – |
| 744231371 | SPEC |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Interface Type | Type | Gender | Pins (Value) (pcs) | Mount | Working Voltage (V (AC)) | Packaging | Winding Style | L (µH) | Z @ 100 MHz (Ω) | IR (A) | RDC max. (Ω) | VR (V) | VT (V (AC)) | Application | Samples |
|---|