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TPS2048ADG4 PDF预览

TPS2048ADG4

更新时间： 2024-11-07 22:34:03
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31页 476K
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CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

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TPS2048ADG4 数据手册

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TPS2045A, TPS2046A, TPS2047A, TPS2048A  
TPS2055A, TPS2056A, TPS2057A, TPS2058A  
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES  
SLVS251A – SEPTEMBER 2000 – REVISED FEBRUARY 2001  
TPS2046A, TPS2056A  
TPS2045A, TPS2055A  
80-mΩ High-Side MOSFET Switch  
D PACKAGE  
(TOP VIEW)  
D PACKAGE  
(TOP VIEW)  
250 mA Continuous Current Per Channel  
Independent Thermal and Short-Circuit  
Protection With Overcurrent Logic Output  
GND  
IN  
OC1  
1
2
3
4
8
7
6
5
GND  
IN  
OUT  
OUT  
OUT  
OC  
1
2
3
4
8
7
6
5
OUT1  
OUT2  
OC2  
Operating Range . . . 2.7 V to 5.5 V  
CMOS- and TTL-Compatible Enable Inputs  
2.5-ms Typical Rise Time  
†
EN1  
IN  
†
†
EN2  
EN  
Undervoltage Lockout  
TPS2047A, TPS2057A  
D PACKAGE  
TPS2048A, TPS2058A  
D PACKAGE  
10 µA Maximum Standby Supply Current  
for Single and Dual (20 µA for Triple and  
Quad)  
(TOP VIEW)  
(TOP VIEW)  
GNDA  
IN1  
OC1  
GNDA  
IN1  
OC1  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
OUT1  
OUT2  
OC2  
OUT1  
OUT2  
OC2  
Bidirectional Switch  
†
†
EN1  
EN1  
Ambient Temperature Range, 0°C to 85°C  
ESD Protection  
†
†
EN2  
EN2  
GNDB  
IN2  
OC3  
GNDB  
IN2  
OC3  
11 OUT3  
10 NC  
11 OUT3  
10 OUT4  
†
†
EN3  
EN3  
†
The TPS2045A through TPS2048A and  
TPS2055AthroughTPS2058Apower-distribution  
switches are intended for applications where  
heavy capacitive loads and short circuits are likely  
NC  
9
NC  
EN4  
9
OC4  
†
All enable inputs are active high for the TPS205xA series.  
NC – No connect  
to be encountered. These devices incorporate 80-mΩ N-channel MOSFET high-side power switches for  
power-distribution systems that require multiple power switches in a single package. Each switch is controlled  
by an independent logic enable input. Gate drive is provided by an internal charge pump designed to control  
the power-switch rise times and fall times to minimize current surges during switching. The charge pump  
requires no external components and allows operation from supplies as low as 2.7 V.  
When the output load exceeds the current-limit threshold or a short is present, these devices limit the output  
current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low.  
When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the  
junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from  
a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch  
remains off until valid input voltage is present. These power-distribution switches are designed to current limit  
at 0.5 A.  
GENERAL SWITCH CATALOG  
80 mΩ, dual  
80 mΩ, quad  
33 mΩ, single  
80 mΩ, single  
80 mΩ, dual  
260 mΩ  
TPS201xA 0.2 A – 2 A  
TPS2042  
TPS2052  
TPS2046  
TPS2056  
500 mA  
500 mA  
250 mA  
250 mA  
80 mΩ, triple  
80 mΩ, quad  
TPS202x  
0.2 A – 2 A  
TPS203x  
0.2 A – 2 A  
TPS2080  
500 mA  
500 mA  
500 mA  
250 mA  
250 mA  
250 mA  
TPS2014  
TPS2015  
TPS2041  
TPS2051  
TPS2045  
TPS2055  
600 mA  
1 A  
500 mA  
500 mA  
250 mA  
250 mA  
TPS2100/1  
TPS2081  
TPS2082  
TPS2090  
TPS2091  
TPS2092  
IN1 500 mA  
IN2 10 mA  
TPS2043 500 mA  
TPS2053 500 mA  
TPS2047 250 mA  
TPS2057 250 mA  
IN1  
IN2  
TPS2085  
500 mA  
500 mA  
500 mA  
250 mA  
TPS2044 500 mA  
TPS2054 500 mA  
TPS2048 250 mA  
TPS2058 250 mA  
OUT  
TPS2086  
TPS2087  
TPS2095  
TPS2102/3/4/5  
IN1 500 mA  
IN2 100 mA  
1.3 Ω  
TPS2096 250 mA  
TPS2097 250 mA  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2001, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...31

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TPS2048ADG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS2048ADR TI

完全替代

 CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
TPS2048AD TI

完全替代

 CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
TPS2048ADRG4 TI

完全替代

 CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

与TPS2048ADG4相关器件

型号 品牌 获取价格 描述 数据表
TPS2048ADR TI

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 		CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
TPS2048ADRG4 TI

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 		CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
TPS2048D TI

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 		QUAD CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
TPS2048DG4 TI

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 		0.44A 4 CHANNEL, BUF OR INV BASED PRPHL DRVR, PDSO16, GREEN, PLASTIC, SOIC-16
TPS2048DR TI

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 		0.44A 4 CHANNEL, BUF OR INV BASED PRPHL DRVR, PDSO16, GREEN, PLASTIC, SOIC-16
TPS2048DRG4 TI

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 		0.44A 4 CHANNEL, BUF OR INV BASED PRPHL DRVR, PDSO16, GREEN, PLASTIC, SOIC-16
TPS2049 TI

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 		SINGLE-CHANNEL 100 mA POWER SWITCH
TPS2049D TI

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 		SINGLE-CHANNEL 100 mA POWER SWITCH
TPS2049DG4 TI

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 		SINGLE-CHANNEL 100 mA POWER SWITCH
TPS2049DR TI

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 		SINGLE-CHANNEL 100 mA POWER SWITCH

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