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參數資料
| 型號： | TPS2341 |
| 英文描述： | Dual-Slot PCI Hot-Plug Power Controller with I2C Interface |
| 中文描述： | 雙插槽PCI熱插拔電源控制器的I2C接口 |
| 文件頁數： | 2/20頁 |
| 文件大小： | 411K |
| 代理商： | TPS2341 |
TPS2330, TPS2331
SINGLE HOT SWAP POWER CONTROLLER WITH
CIRCUIT BREAKER AND POWER-GOOD REPORTING
SLVS277A – MARCH 2000– REVISED APRIL 2000
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
PREREG
UVLO and
Power-Up
IN
ISET
ISENSE
GATE
Clamp
Charge
Pump
75
μ
A
Pulldown FET
Circuit Breaker
dv/dt Rate
Protection
20-
μ
s Deglitch
DISCH
Logic
VSENSE
PWRGD
FAULT
TIMER
Circuit
Breaker
VREG
50-
μ
s Deglitch
AGND
DGND
ENABLE
50
μ
A
Terminal Functions
TERMINAL
NAME
I/O
DESCRIPTION
NO.
6,9
2
14
13
11
1
8
7
10
12
3
4
5
AGND
DGND
DISCH
ENABLE/ ENABLE
FAULT
GATE
IN
ISENSE
ISET
PWRGD
TIMER
VREG
VSENSE
I
I
Analog ground, connects to DGND as close as possible
Digital ground
Discharge transistor
Active low (TPS2330) or active high enable (TPS2331)
Overcurrent fault, open-drain output
Connects to gate of high-side MOSFET
Input voltage
Current-sense input
Adjusts circuit-breaker threshold with resistor connected to IN
Open-drain output, asserted low when VSENSE voltage is less than reference.
Adjusts circuit-breaker deglitch time
Connects to bypass capacitor, for stable operation
Power-good sense input
O
I
O
O
I
I
I
O
O
O
I
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