TPS3806J20, TPS3806I33
DUAL VOLTAGE DETECTOR WITH ADJUSTABLE HYSTERESIS
SLVS393 鈥?JULY 2001
D
Dual Voltage Detector With Adjustable
D
D
D
D
D
Hysteresis 3.3-V/Adjustable and
2-V/Adjustable
Assured Reset at V
DD
= 0.8 V
Supply Current: 3
碌A(chǔ)
Typical at V
DD
= 3.3 V
Independent Open-Drain Reset Outputs
Temperature Range . . . 鈥?0擄C to 85擄C
Six-Pin SOT-23 Package
RSTSENSE
GND
RESET
TPS3806
DBV PACKAGE
(TOP VIEW)
1
2
3
6
5
4
HSENSE
LSENSE
V
DD
description
The TPS3806 integrates two independent voltage
detectors for battery voltage monitoring. During
power-on, RESET and RSTSENSE are asserted
when supply voltage V
DD
or the voltage at
LSENSE input become higher than 0.8 V.
Thereafter, the supervisory circuit monitors V
DD
and LSENSE, keeping RESET and RSTSENSE
active as long as V
DD
and LSENSE remain below
the threshold voltage V
IT
. As soon as V
DD
or
LSENSE rise above the threshold voltage V
IT
,
RESET or RSTSENSE is deasserted,
respectively. The TPS3806 device has a
fixed-sense threshold voltage V
IT
set by an
internal voltage divider at V
DD
and an adjustable
second-LSENSE input. In addition, an upper
voltage threshold can be set at HSENSE to allow
a wide adjustable hysteresis window.
typical operating circuit
R4
VDD
R1
3.6 V
Li-lon
Cell
RESET
TPS3806I33
LSENSE
R2
HSENSE
R3
GND
RSTSENSE
R5
The devices are available in a 6-pin SOT-23 package. The TPS3806 device is characterized for operation over
a temperature range of 鈥?0擄C to 85擄C.
PACKAGE INFORMATION
THRESHOLD VOLTAGE
TA
鈥?0_C to 85_C
40_C
DEVICE NAME
TPS3806J20DBVR鈥?/div>
TPS3806I33DBVR鈥?/div>
TPS3806J20DBVT鈥?/div>
TPS3806I33DBVT鈥?/div>
VDD
1.8 V
3V
SENSE
1.207 V
1.207 V
MARKING
PGQI
PGPI
鈥?The DBVR passive indicates tape and reel containing 3000 parts.
鈥?The DBVT passive indicates tape and reel containing 250 parts.
ordering information
TPS380
6
I
33
DBV R
Reel
Package
Nominal Supply Voltage
Nominal Threshold Voltage
Functionality
Family
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2001, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1
TPS3806J20DBVR 產(chǎn)品屬性
1
集成電路 (IC)
PMIC - 監(jiān)控器
-
多壓監(jiān)控器
2
開路漏極或開路集電極
低有效
最小為 100 µs
1.8V，可調(diào)
-40°C ~ 85°C
表面貼裝
SOT-23-6
SOT-23-6
Digi-Reel®
296-12012-6
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