Texas Instruments TPS2456 Dual 12V Protection and Blocking ORing Controller Evaluation Module TPS2456EVM TPS2456EVM 데이터 시트
제품 코드
TPS2456EVM
Channel A
load
capacitors
Channel B
load
capacitors
Channel A
Retry
Circuit
Channel B
Retry
Circuit
Channel A
Pass
Mosfet
Channel A
OR-ing
Mosfet
Channel B
Pass
Mosfet
Channel B
OR-ing
Mosfet
TPS2456
Channel B
Output
Channel A
Output
User's Guide
SLVU368 – March 2010
TPS2456EVM
The TPS2456EVM is an evaluation module used to evaluate the TPS2456 Dual 12V Protection/Blocking
Controller. The TPS2456 provides hot swap capability and diode Or functions via external Mosfets. The
board is configured with the following nominal specifications.
Controller. The TPS2456 provides hot swap capability and diode Or functions via external Mosfets. The
board is configured with the following nominal specifications.
Fast Trip Current Limit:
20A each channel
Current Limit:
8.36A each channel or 16.72A total
Length of Fault Timer:
2.97ms
Time between retries
800ms
Selectable On-Board Output Capacitance
220µF, 440µF, 660µF or 880µF
Selectable On-Board Bleed Resistance
1k
Ω
1
EVM Layout
The overall layout of the TPS2456EVM is shown in
. Channel A is the upper portion of the board
and Channel B is the midsection. The lower portion of the board contains the optional automatic retry on
fault circuitry.
fault circuitry.
Figure 1. TPS2456 General Layout
1
SLVU368 – March 2010
TPS2456EVM
Copyright © 2010, Texas Instruments Incorporated