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TLV840MAPH29DBVRQ1

更新时间： 2024-11-09 02:48:59
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德州仪器 - TI /
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TLV840-Q1 Nano-Power Voltage Supervisor with Adjustable Reset Time Delay

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TLV840MAPH29DBVRQ1 数据手册

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TLV840-Q1  
SNVSBY3A – NOVEMBER 2020 – REVISED APRIL 2021  
TLV840-Q1 Nano-Power Voltage Supervisor with Adjustable Reset Time Delay  
1 Features  
3 Description  
Qualified for automotive applications:  
The TLV840-Q1 device is a voltage supervisor or  
reset IC that can operate at wide input voltage levels  
from 0.7 V to 6 V while maintaining very low quiescent  
current across the whole VDD and temperature range.  
TLV840-Q1 offers the best combination of low power  
consumption, high accuracy and low propagation  
delay (tp_HL= 30 µs typical).  
•
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:  
Reset output signal is asserted when the voltage at  
VDD drops below the negative voltage threshold  
(VIT-). Reset signal is cleared when VDD rise above  
VIT- plus hysteresis (VHYS) and the reset time delay  
(tD) expires. Reset time delay can be programmed  
by connecting a capacitor between the CT pin and  
ground. For a minimum reset delay time the CT pin  
can be left floating. The TLV840-Q1, with its manual  
reset pin (MR), offers program flexibility by forcing the  
system into a hard reset when the pin is asserted.  
•
•
•
•
Nano supply current : 120 nA (Typ)  
High accuracy: ±0.5% (Typ)  
Built-in hysteresis (VHYS): 5% (Typ)  
Fixed threshold voltage (VIT-): 0.8 V to 5.4 V  
Designed for a wide range of applications:  
•
•
•
Operating voltage range : 0.7 V to 6 V  
Fixed (VIT-) voltage: 0.8 V to 5.4 V in 0.1 V steps  
Programmable reset time delay (tD)  
– Min time delay: 40 µs (typ) without capacitor  
Active-low manual reset (MR)  
Additional features: Low power-on reset voltage  
(VPOR), built-in glitch immunity protection for VDD,  
built-in hysteresis, low open-drain output leakage  
current (Ilkg(OD)). TLV840-Q1 is a perfect voltage  
monitoring solution for automotive applications and  
battery-powered / low-power applications.  
•
Multiple output topologies / Package type:  
•
Four output topologies (RESET / RESET):  
– TLV840MADL-Q1: open-drain, active-low  
– TLV840MAPL-Q1: push-pull, active-low  
– TLV840MADH-Q1: open-drain, active-high  
– TLV840MAPH-Q1: push-pull, active-high  
Package: SOT23-5 (DBV)  
Device Information  
PART NUMBER  
PACKAGE (1)  
BODY SIZE (NOM)  
TLV840-Q1  
SOT-23 (5) (DBV)  
2.90 mm × 1.60 mm  
•
2 Applications  
(1) For package details, see the mechanical drawing addendum  
at the end of the data sheet.  
•
•
•
•
•
•
•
Surround view system, front camera  
Automotive gateway  
Radar ECU  
Automotive head unit  
ADAS controller  
Emergency call  
Telematics control unit  
0.4  
25°C  
-40°C  
125°C  
3.3 V  
5 V  
IN  
LDO  
OUT  
0.36  
0.32  
0.28  
0.24  
0.2  
*Rpu  
VDD  
VDD  
Microcontroller  
RESET  
CT  
RESET  
TLV840MADL29Q1  
MR  
GND  
0.16  
0.12  
0.08  
*Rpu only for open-drain output  
Typical Application Circuit  
0.5  
1
1.5  
2
2.5  
3 3.5  
VDD (V)  
4
4.5  
5
5.5  
6
IDDv  
Typical Supply Current  
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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