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TPS3899PH45-Q1

更新时间： 2024-11-28 02:33:23
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德州仪器 - TI /
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TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with Programmable Sense and Reset Delay

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TPS3899PH45-Q1 数据手册

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TPS3899-Q1  
SLVSG89 – APRIL 2021  
TPS3899-Q1 Nano-Power, Precision Voltage Supervisor, Push-Button Monitor with  
Programmable Sense and Reset Delay  
1 Features  
3 Description  
Qualified for automotive applications:  
The TPS3899-Q1 is a nano power, precision voltage  
supervisor with ±0.5% threshold accuracy and  
programmable sense and reset time delay in a 6-pin  
space saving 1.5 mm × 1.5 mm WSON package. The  
TPS3899-Q1 is a feature-rich voltage supervisor that  
offers the smallest total solution size in its class. Built-  
in hysteresis along with programmable delay prevent  
false reset signals when monitoring a voltage rail or  
push button signals.  
•
AEC-Q100 qualified with the following results:  
– Device temperature grade 1: –40°C to +125°C  
ambient operating temperature  
– Device HBM ESD classification level 2  
– Device CDM ESD classification level C7B  
Designed for high performance:  
•
•
•
Nano quiescent current: 125 nA (Typ)  
High threshold accuracy: ±0.5% (Typ)  
Built-in precision hysteresis (VHYS): 5% (Typ)  
The separate VDD and SENSE pins allow for  
the redundancy sought by high-reliability systems.  
SENSE is decoupled from VDD and can monitor rail  
voltages other than VDD. Optional use of external  
resistors are supported by the high impedance input  
of the SENSE pin. Both CTS and CTR provide delay  
adjustability on the rising and falling edges of the  
RESET signals. CTS also functions as a debouncer  
by ignoring voltage glitches on the monitored voltage  
rails and operates as a "manual reset" that can be  
used to force a system reset.  
Designed for a wide range of applications:  
•
Operating voltage range:  
– 0.85 V to 6 V (DL and PL outputs)  
– 1 V to 6 V (PH output)  
•
•
•
•
Adjustable threshold voltage: 0.505 V (Typ)  
Precision voltage and push-button monitor  
Programmable sense and reset delay  
Fixed (VIT-) voltage: 0.8 V to 5.4 V in 0.1 V steps  
The precision performance, best in-class features in  
a compact form factor, makes the TPS3899-Q1 an  
ideal solution for wide ranging automotive and battery-  
powered / low-power applications. The device is fully  
specified over a temperature range of  
Multiple output topologies / Package type:  
•
•
•
•
TPS3899DL-Q1: open-drain, active-low (RESET)  
TPS3899PL-Q1: push-pull, active-low (RESET)  
TPS3899PH-Q1: push-pull, active-high (RESET)  
Package: 1.5-mm × 1.5-mm WSON (DSE)  
–40°C to +125°C (TA).  
2 Applications  
Device Information  
PART NUMBER  
PACKAGE (1)  
BODY SIZE (NOM)  
•
•
•
•
•
•
Advance Driver Assistance Systems (ADAS)  
Infotainment head unit  
Automotive gateway  
Camera module  
Radar ECU  
TPS3899-Q1  
WSON (6) DSE  
1.5 mm × 1.5 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet  
Automotive external amplifier  
0.85 V to 6.0 V  
*Rpull-up  
VDD  
SENSE  
RESET  
CTR  
Push-button  
input  
TPS3899-Q1  
CTS  
GND  
*Rpull-up is required for open-drain variants only  
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. ADVANCE INFORMATION for preproduction products; subject to change  
without notice.  
 
 
 
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