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TPS25210A PDF预览

TPS25210A

更新时间: 2024-11-09 02:50:55
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
47页 4299K
描述
TPS2521xx, 2.7 - 5.7 V, 4 A, 31-mΩ True Reverse Current Blocking eFuse with Input Reverse Polarity Protection

TPS25210A 数据手册

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TPS2521  
SLVSFX8 – MARCH 2021  
TPS2521xx, 2.7 - 5.7 V, 4 A, 31-mΩ True Reverse Current Blocking eFuse with Input  
Reverse Polarity Protection  
blocked at all times, making the device well suited for  
systems which need load side energy hold up storage  
1 Features  
Wide operating input voltage range: 2.7 V to 5.7 V  
28-V absolute maximum  
Withstands negative voltages up to – 15 V  
Integrated back-to-back FETs with low On-  
Resistance: RON = 31 mΩ (typ)  
Ideal diode operation with true reverse current  
blocking  
Fast overvoltage clamp (OVC) with pin-selectable  
threshold (3.8 V, 5.7 V) with 5-μs (typ) response  
time  
Overcurrent protection with load current monitor  
output (ILM)  
– Active current limit response  
– Adjustable threshold (ILIM) 0.5 A - 4.44 A  
in case input power supply fails.  
Output current limit level can be set with a single  
external resistor. It is also possible to get an accurate  
sense of the output load current by measuring the  
voltage drop across the current limit resistor.  
Applications  
with  
particular  
inrush  
current  
requirements can set the output slew rate with a  
single external capacitor. Loads are protected from  
input overvoltage conditions by clamping the output to  
a safe fixed maximum voltage (pin selectable).  
The devices are available in a 2-mm × 2-mm,  
10-pin HotRod QFN package for improved thermal  
performance and reduced system footprint.  
±10% accuracy for ILIM > 1 A  
The devices are characterized for operation over a  
junction temperature range of –40°C to +125°C.  
– Adjustable transient blanking timer (ITIMER) to  
allow peak currents up to 2 x ILIM  
– Output load current monitor accuracy: ±6%  
(IOUT ≥ 1 A)  
Device Information  
PART NUMBER  
PACKAGE(1)  
BODY SIZE (NOM)  
Fast-trip response for short-circuit protection  
– 500-ns (typ) response time  
– Adjustable (2 x ILIM) and fixed thresholds  
Active High Enable input with adjustable  
undervoltage lockout threshold (UVLO)  
Adjustable output slew rate control (dVdt)  
Overtemperature protection  
Power Good indication (PG) with adjustable  
threshold (PGTH)  
IEC 62368 CB certification (pending)  
UL 2367 recognition (pending)  
TPS2521xxRPW  
QFN (10)  
2 mm × 2 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
VOUT  
VIN = 2.7 to 5.7 V  
IN  
OUT  
COUT  
PGTH  
EN/UVLO  
OVCSEL  
VLOGIC  
TPS25210x  
PG  
ITIMER dVdt  
GND  
ILM  
Small footprint: QFN 2 mm × 2 mm, 0.45-mm pitch  
2 Applications  
RILM  
CITIMER  
CDVDT  
Adapter input protection  
Enterprise storage - RAID/HBA/SAN/eSSD  
USB PD port protection  
Server/PC motherboard/add-on cards  
Monitors/docks  
Simplified Schematic  
3 Description  
The TPS2521x 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, reverse polarity and  
excessive inrush current. With integrated back-to-  
back FETs, reverse current flow from output to input is  
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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