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TPS25970LRPW

更新时间： 2024-11-30 02:48:27
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德州仪器 - TI /
页数 文件大小 规格书
53页 2989K
描述
TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse With Accurate Current Monitor and Transient Overcurrent Blanking

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TPS25970LRPW 数据手册

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TPS2597  
SLVSGG5A – NOVEMBER 2021 – REVISED DECEMBER 2021  
TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse With Accurate Current Monitor and  
Transient Overcurrent Blanking  
1 Features  
3 Description  
•
•
•
Wide operating input voltage range: 2.7 V to 23 V  
– 28-V absolute maximum  
Integrated FET with low on-resistance: RON = 9.8  
mΩ (typ.)  
The TPS2597xx family of eFuses is a highly  
integrated circuit protection and power management  
solution in  
a
small package. The devices  
provide multiple protection modes using very few  
external components and are a robust defense  
against overloads, short-circuits, voltage surges and  
excessive inrush current.  
Fast overvoltage protection  
– Overvoltage clamp (OVC) with pin-selectable  
threshold (3.89 V, 5.76 V, 13.88 V) and 5-μs  
(typical) response time or  
– Adjustable overvoltage lockout (OVLO) with  
1.2-μs (typical) response time  
Overcurrent protection with load current monitor  
output (ILM)  
– Active current limit or circuit-breaker options  
– Adjustable threshold (ILIM) 0.87 A–7.7 A  
Output slew rate and inrush current can be adjusted  
using a single external capacitor. Loads are protected  
from input overvoltage conditions either by clamping  
the output to a safe fixed maximum voltage (pin  
selectable), or by cutting off the output if the input  
exceeds an adjustable overvoltage threshold. The  
devices respond to output overload by actively limiting  
the current or breaking the circuit. The output current  
limit threshold as well as the transient overcurrent  
blanking timer are user adjustable. The current limit  
control pin also functions as an analog load current  
monitor.  
•
•
±10% accuracy for ILIM > 1.74 A  
– Adjustable transient blanking timer (ITIMER) to  
allow peak currents up to 2 × ILIM  
– Output load current monitor accuracy: ±8%  
(max)  
•
•
Fast-trip response for short-circuit protection  
– 550-ns (typical) response time  
– Adjustable (2 × ILIM) and fixed thresholds  
Active high enable input with adjustable  
undervoltage lockout threshold (UVLO)  
Adjustable output slew rate control (dVdt)  
Overtemperature protection  
The devices are available in a 2-mm × 2-mm, 10-  
pin HotRod™ QFN package for improved thermal  
performance and reduced system footprint.  
The devices are characterized for operation over a  
junction temperature range of –40°C to +125°C.  
•
•
•
Device Information  
Digital outputs  
PART NUMBER  
PACKAGE(1)  
BODY SIZE (NOM)  
– Fault indication (FLT) or  
– Power Good indication (PG) with adjustable  
threshold (PGTH)  
TPS2597xxRPW  
QFN (10)  
2 mm × 2 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
•
•
•
UL 2367 recognition (pending)  
IEC 62368 CB certification (pending)  
Small footprint: QFN 2 mm × 2 mm, 0.45-mm pitch  
VIN = 2.7 to 23 V  
VOUT  
IN  
OUT  
COUT  
2 Applications  
VLOGIC  
EN/UVLO  
•
•
•
•
•
•
Server, PC motherboard, and add-in cards  
Enterprise storage – RAID/HBA/SAN/eSSD  
Patient monitors  
Appliances and power tools  
Retail point-of-sale terminals  
Smartphones and tablets  
TPS25970x  
OVLO  
FLT  
ITIMER dVdt  
ILM  
GND  
CITIMER  
CDVDT  
RILM  
Simplified Schematic  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
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TPS25970LRPWR TI

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 		TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse Wi
TPS25972ARPWR TI

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 		具有精确电流监视器和瞬态过流消隐功能的 2.7V 至 23V、7A、9.8mΩ 电子保险丝
TPS25972LRPW TI

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 		TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse Wi
TPS25972LRPWR TI

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 		TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse Wi
TPS25974ARPW TI

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 		TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse Wi
TPS25974ARPWR TI

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 		具有精确电流监视器和瞬态过流消隐功能的 2.7V 至 23V、7A、9.8mΩ 电子保险丝
TPS25974LRPW TI

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 		TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse Wi
TPS25974LRPWR TI

获取价格

 		具有精确电流监视器和瞬态过流消隐功能的 2.7V 至 23V、7A、9.8mΩ 电子保险丝
TPS2597XX TI

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 		TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse Wi

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