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参数资料
| 型号： | TPS2410PW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封装： | GREEN, PLASTIC, TSSOP-14 |
| 文件页数： | 14/31页 |
| 文件大小： | 1020K |
| 代理商： | TPS2410PW |
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INPUT ORing AND STAT
OV
G
N
D
STAT
PullLow
toReset
LogicRail
www.ti.com .................................................................................................................................................. SLVS727C – NOVEMBER 2006 – REVISED JUNE 2009
STAT provides information regarding the state of the MOSFET gate drive. STAT is pulled to VDD, through a
46-k
internal pullup, if GATE is being driven high and V(GATE) exceeds V(A) plus 0.4 V. The STAT pin may be
directly connected to low-voltage logic by using the logic gate's input ESD clamp to control the voltage or by
using a much lower pullup resistor (e.g., 5 k
) to the logic supply voltage. STAT must be allowed to rise above
VDD/2 to avoid effecting the reverse turn-off threshold.
Interconnecting STAT pins can be used to reduce the occurence of both MOSFETs turning off in topologies such
as Figure 13 that normally have both MOSFETs ON. This might occur when there is a noise transient on both
buses due to fans cycling on and off, or an ac mains disturbance. If both MOSFETs are ON, and then an ORing
circuit turns OFF, the second ORing circuit's fast turnoff threshold is shifted negative by 157 mV from the RSET
programmed value because STAT is pulled low. This reduces the probability that it too will turn off as the arrival
of the transient, and speed of both circuits, is unlikely to be matched. Maintaining at least one device ON avoids
both a bus transient due to the current interruption, and momentary downstream hotswap overload when the
ORing recovers. The function of STAT is not limited to the topology of Figure 13 and may be used to dynamically
shift the fast turnoff threshold. The internal circuit shown in the FUNCTIONAL BLOCK DIAGRAM will assist in
designing these applications.
Figure 17 shows how STAT and OV can be used to latch the TPS2410 off. This is useful when a system
operation benefits from preventing a failed power module from repeatedly disturbing the bus, and may be used in
conjunction with back-to-back MOSFETs. The OV pin must be help low until V(GATE) is 0.4 V above V(A) in order
to accomplish a reset.
Figure 17. Use of STAT and OV to Latch TPS2411 OFF
Copyright 2006–2009, Texas Instruments Incorporated
21
Product Folder Link(s): TPS2410 TPS2411
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PDF描述 |
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| TPS2411PWG4 | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| TPS2412PWR | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| TPS2412DG4 | SPECIALTY ANALOG CIRCUIT, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2410PW | 制造商:Texas Instruments 功能描述:Hot Swap Controller IC |
| TPS2410PWG4 | 功能描述:热插拔功率分布 N+1 and OR-ing Pwr Rail Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2410PWR | 功能描述:热插拔功率分布 N+1 OR-ing Pwr Rail Cntrlr RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2410PWR/2801 | 功能描述:热插拔功率分布 Oring Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2410PWRG4 | 功能描述:热插拔功率分布 N+1 and OR-ing Pwr Rail Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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