Техническая Спецификация для Texas Instruments TPS2511 Evaluation Module TPS2511EVM-141 TPS2511EVM-141
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Модели
TPS2511EVM-141
10-V to 20-V
Power Supply
+
-
TPS2511EVM-141
USB
Portable
Device
J2
J1
Switches
7
Switches
Switch S1 enables and disables the TPS2511 controller. The switch positions are screened on the PC
board.
board.
8
Test Setup
The starting setup for the EVM is shown in
Figure 3. Test Setup
Set the input voltage power supply to 12 V, ±0.1 V and the current limit to 3 A. Turn off the power supply.
Connect the input-power supply to J2; + and - positions are noted on the PWR141 circuit-board silk
screen.
Connect the input-power supply to J2; + and - positions are noted on the PWR141 circuit-board silk
screen.
Install jumpers J3, J4, J5, and J9. Set switch S1 to EN and turn on the 12-V power supply, The VIN LED
and the VBUS LED is on. VIN, TP6, measures 5.0 V, ±0.2 V.
and the VBUS LED is on. VIN, TP6, measures 5.0 V, ±0.2 V.
Connect the portable device to the USB connector. If the portable device is charged so that the CS line is
false, VIN, TP6, measures 5.0 V, ±0.1 V. If the portable device is discharged, CS is true and VIN, TP6,
measures 5.2 V ±0.1 V to keep the output VBUS, TP3, approximately 5.2 V.
false, VIN, TP6, measures 5.0 V, ±0.1 V. If the portable device is discharged, CS is true and VIN, TP6,
measures 5.2 V ±0.1 V to keep the output VBUS, TP3, approximately 5.2 V.
6
TPS2511EVM-141 USB Dedicated Charging Port Controller and Power
SLUU945 – June 2012
Switch Evaluation Module
Copyright © 2012, Texas Instruments Incorporated