參數(shù)資料
型號: TPS2321IDG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: GREEN, PLASTIC, MS-012AC, SOIC-16
文件頁數(shù): 12/28頁
文件大小: 747K
代理商: TPS2321IDG4
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
PREREG
UVLO and
Power Up
IN1
ISET1
ISENSE1
GATE1
Clamp
Charge
Pump
75
A
Pulldown FET
Circuit Breaker
dv/dt Rate
Protection
DISCH1
Logic
FAULT
TIMER
Second Channel
GATE2
ISENSE2
ISET2
IN2
DISCH2
Circuit
Breaker
VREG
Deglitcher
AGND
DGND
ENABLE
50
A
SLVS276E – MARCH 2000 – REVISED NOVEMBER 2006
AVAILABLE OPTIONS
PACKAGES
PIN
TA
HOT-SWAP CONTROLLER DESCRIPTION
COUNT
ENABLE
Dual-channel with independent OCP and adjustable PG
20
TPS2300IPW
TPS2301IPW
Dual-channel with interdependent OCP and adjustable PG
20
TPS2310IPW
TPS2311IPW
TPS2320ID
TPS2321ID
–40
°C to 85°C Dual-channel with independent OCP
16
TPS2320IPW
TPS2321IPW
TPS2330ID
TPS2331ID
Single-channel with OCP and adjustable PG
14
TPS2330IPW
TPS2331IPW
Table 1. Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
AGND
6
I
Analog ground, connects to DGND as close as possible
DGND
3
I
Digital ground
DISCH1
16
O
Discharge transistor 1
DISCH2
15
O
Discharge transistor 2
ENABLE/ENABLE
14
I
Active low (TPS2320) or active high enable (TPS2321)
FAULT
13
O
Overcurrent fault, open-drain output
GATE1
1
O
Connects to gate of channel 1 high-side MOSFET
GATE2
2
O
Connects to gate of channel 2 high-side MOSFET
IN1
9
I
Input voltage for channel 1
IN2
10
I
Input voltage for channel 2
ISENSE1
8
I
Current-sense input channel 1
ISENSE2
7
I
Current-sense input channel 2
ISET1
12
I
Adjusts circuit-breaker threshold with resistor connected to IN1
2
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