参数资料
型号: TPS2540RTET
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16
封装: GREEN, PLASTIC, WQFN-16
文件页数: 21/37页
文件大小: 999K
代理商: TPS2540RTET
0
900
1000
I S
H
O
R
T
-
C
u
rr
e
n
t
L
im
it
-
m
A
400
600
60
80
100
160
180
220
R
ILIM - Current Limit Resistance - kW
140
800
700
500
300
200
100
200
120
I
SHORT_min
I
SHORT_max
MIN
1.037
ILIMx
48000
IOS
2500mA
R
=
1
1.037
ILIMx
MIN
48000
R
17.28k
IOS
2500mA
é
ù
é
ù
=
ê
ú
ê
ú
ILIMx
17.28k
R
17.11k
1.01
=
ILIMx
R
16.9k
=
SLVSAG2A
– OCTOBER 2010 – REVISED APRIL 2011
Current Limit Threshold
vs
Current Limit Resistance
Figure 43.
Current Limit Setpoint Example
In the following example, choose the ILIM resistor to ensure that the TPS2540/40A does not trip off under worst
case conditions of ILIM and resistor tolerance (assume 1% resistor tolerance). For this example, IOSMIN = 2500
mA.
(6)
(7)
Including resistor tolerance, target maximum:
(8)
Choose:
(9)
28
Copyright
2010–2011, Texas Instruments Incorporated
相关PDF资料
PDF描述
TPS2541RTET 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16
TPS2550DBV 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
TPS2551DRVR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
TPS2551DRVTG4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
TPS2551DRVRG4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
相关代理商/技术参数
参数描述
TPS2540RTET 制造商:Texas Instruments 功能描述:IC USB SWITCH 2.6GHZ 16-WQFN
TPS2541ARTER 功能描述:电源开关 IC - USB USB Charging Port Pwr Sw & Controller RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube
TPS2541ARTET 功能描述:电源开关 IC - USB USB Charging Port Pwr Sw & Controller RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube
TPS2541RTER 功能描述:电源开关 IC - USB USB Charging Port Pwr Swtch &Contrller RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube
TPS2541RTET 功能描述:电源开关 IC - USB USB Charging Port Pwr Swtch &Contrller RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube