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TPS37043A4OFDDFRQ1 PDF预览

TPS37043A4OFDDFRQ1

更新时间: 2024-11-06 11:06:39
品牌 Logo 应用领域
德州仪器 - TI 监控
页数 文件大小 规格书
34页 3014K
描述
超高精度紧凑型汽车多通道窗口监控器 | DDF | 8 | -40 to 125

TPS37043A4OFDDFRQ1 数据手册

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TPS3704  
SNVSBZ2B – MARCH 2021 – REVISED DECEMBER 2021  
TPS3704x Quad, Triple, Dual, Single Window or Standard Voltage Supervisor  
1 Features  
3 Description  
Designed for high performance and safety:  
– Input current (4 channels): IDD = 15 μA  
(maximum)  
– High threshold accuracy: ±1% (maximum)  
– Built-in precision hysteresis:  
VHYS (VIT > 800 mV) = 0.75% (typical)  
Designed for a wide range of applications:  
– Quad, triple, dual, or single voltage supervisor  
The TPS3704x is a low-power precision window or  
standard voltage supervisor that can be configured as  
a quad, triple, dual, or single channel. Each channel  
has a threshold accuracy of ±1% in an 8-pin  
(1.6 mm x 2.9 mm) SOT-23 package offering a small  
solution size. The TPS3704x includes a very accurate  
threshold detection, with high resolution, that is ideal  
for systems that operate on low-voltage supply rails  
and have narrow margin supply tolerances. Built-in  
low threshold hysteresis and a fixed reset delay (tD  
options from 20 μs to 1200 ms) prevent false reset  
signals when monitoring multiple voltage rails.  
TPS37044, 3, 2, 1: 4, 3, 2, 1 - channels  
– Input voltage range, VDD = 1.7 V to 6 V  
– (UV / OV) threshold accuracy: ±0.1% (typical)  
Each channel can be configured  
independently: window, UV, or OV  
Window tolerance: ±3% to ±11%  
(can be programmed asymmetrical)  
High threshold resolution:  
The TPS3704x does not require any external  
resistors for setting the over and under voltage  
reset thresholds, which further optimizes overall high  
accuracy, cost, solution size, and improves reliability  
for safety systems.  
VIT ≤ 0.8 V: 20 mV steps  
VIT > 0.8 V: lower of 0.5% or 20 mV steps  
VIT threshold voltages for each individual  
channel can be set independently  
Separate VDD and SENSEx pins allow monitoring of  
rail voltages other than VDD or can be used as a  
push-button input. Optional use of external resistors  
are supported by the SENSEx pins. Each channel on  
the TPS3704x can be customized to its own over and  
under voltage window detection with an upper and  
lower threshold tolerance that can be symmetric or  
asymmetric.  
– Push-button monitor on all channels  
– Reset time delay (tD): fixed time delay options  
Options: 23-fixed time options ranging from  
20 µs (minimum) to 1200 ms (maximum)  
Temperature range: –40°C to +125°C  
Multiple output topologies:  
– TPS3704xxxO: open-drain, active-low (RESET)  
– TPS3704xxxL: push-pull, active-low (RESET)  
– TPS3704xxxH: push-pull, active-high (RESET)  
Device Information  
PART NUMBER  
PACKAGE (1)  
BODY SIZE (NOM)  
TPS3704x  
DDF (SOT-23 8-pin)  
1.6 mm × 2.9 mm  
2 Applications  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Factory automation  
Building automation  
Medical  
VDD  
VDD  
RESET1  
RESET2  
RESET3  
RPULL_UP  
RESET  
Microcontroller  
Motor drives  
TPS37043  
Grid infrastructure  
Wireless infrastructure  
Data center & enterprise computing  
SENSE1 SENSE2 SENSE3  
3.3 V  
1.8 V  
24 V VIN  
Wide VIN  
Buck  
VI/O  
DVDD  
DC/DC  
1.2 V  
VCORE  
Typical Application Circuit  
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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