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TPS3700DDCR

High-voltage (18-V) window voltage detector for overvoltage and undervoltage monitoring

Manufacturer:

TI
Mfr.Part #:

TPS3700DDCR
Datasheet:

TPS3700DDCR Datasheet (PDF)
Number of supplies monitored:

1, 2
Threshold voltage 1 (typ) (V):

0.4
Features:

Undervoltage and overvoltage monitor, Wide input voltage
Reset threshold accuracy (%):

1
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TPS3700DDCR General Description

The TPS3700 wide-supply window voltage detector operates over a 1.8-V to 18-V range. The device has two high-accuracy comparators with an internal 400-mV reference and two open-drain outputs rated to 18 V for over- and undervoltage detection. The TPS3700 can be used as a window voltage detector or as two independent voltage monitors; the monitored voltage can be set with the use of external resistors.

OUTA is driven low when the voltage at INA+ drops below (V_ITP – V_HYS), and goes high when the voltage returns above the respective threshold (V_ITP). OUTB is driven low when the voltage at INB– rises above V_ITP, and goes high when the voltage drops below the respective threshold (V_ITP – V_HYS). Both comparators in the TPS3700 include built-in hysteresis for filtering to reject brief glitches, thereby ensuring stable output operation without false triggering.

The TPS3700 is available in a SOT-6 and a 1.5-mm × 1.5-mm WSON-6 package and is specified over the junction temperature range of –40°C to 125°C.

Key Features

Wide supply voltage range: 1.8 V to 18 V
Adjustable threshold: down to 400 mV
High threshold accuracy:
- 1.0% over temperature
- 0.25% (Typical)
Low quiescent current: 5.5 µA (Typical)
Open-drain outputs for overvoltage and undervoltage detection
Internal hysteresis: 5.5 mV (Typ)
Temperature range: –40°C to 125°C
Packages:
- SOT-6
- 1.5-mm × 1.5-mm WSON-6

Specifications

Number of supplies monitored	1, 2	Threshold voltage 1 (typ) (V)	0.4
Features	Undervoltage and overvoltage monitor, Wide input voltage	Reset threshold accuracy (%)	1
Iq (typ) (mA)	0.0055	Output driver type/reset output	Active-low, Open-drain
Time delay (ms)	0	Supply voltage (min) (V)	1.8
Supply voltage (max) (V)	18	Rating	Catalog
Watchdog timer WDI (s)	None	Operating temperature range (°C)	-40 to 125
Product Category	Analog Comparators	Mounting Style	SMD/SMT
Number of Channels	1 Channel	Output Type	Open Drain
Response Time	29 us	Comparator Type	Window
Supply Voltage - Min	1.8 V	Supply Voltage - Max	18 V
Operating Supply Current	5.5 uA	Output Current per Channel	40 mA
Vos - Input Offset Voltage	-	Ib - Input Bias Current	-
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 125 C
Series	TPS3700	Development Kit	TPS3700EVM-114
GBP - Gain Bandwidth Product	-	Moisture Sensitive	Yes
Product	Analog Comparators	Product Type	Analog Comparators
Propagation Delay Time	29 us	Shutdown	No Shutdown
SR - Slew Rate	-	Factory Pack Quantity	3000
Subcategory	Amplifier ICs	Unit Weight	0.000229 oz