Watchdog Timeout Period Externally Adjustable Voltage Detector
*AEC-Q100 (Grade1) compliant
The XD6131 series are voltage detectors with a watchdog function. The watchdog timeout time and release delay time can be set as desired using a single external capacitor. These voltage detectors are used for microprocessor monitoring, and when the power voltage reaches the detect voltage or an L→H pulse is not input to the watchdog pin within the watchdog timeout time, an L level signal is output from the RESETB pin.
The XD6131 series has a manual reset function. When the manual reset pin is set to Low level at any desired timing, an L level signal is output from the RESETB pin.
*TOREX’s automotive products (XD Series) are AEC-Q100 compliant.
Feature
| Operating Ambient Temperature | -40℃～+125℃ |
| Operating Voltage Range | 1.5V～6.0V |
| Detect Voltage(Standard) | 1.6V, 2.2V, 2.3V, 2.4V, 2.9V, 3.0V, 3.1V, 4.4V, 4.5V, 4.6V |
| Hysteresis Width | VDFL×5% |
| Detect Voltage Temperature Characteristics | ±50ppm/℃ |
| Output Configuration | N-channel open drain |
| Low Quiescent Current | 8.1μADetect 9.8μARelease 2.5μARelease(EN=L) |
| Functions | Manual Reset |
| Watchdog Timeout Period | 100ms(Cd=0.1μF) |
| Release Delay Time | 100ms(Cd=0.1μF) (Power-on State) 10ms (Cd=0.1μF) (After Watchdog Timeout) |
| Environmentally Friendly | EU RoHS compliant, Pb free |
Typical Application Circuit
Technical Document
Packages
| Package | Number of Pins | Pcs/Reel | Package Size(mm) |
|---|---|---|---|
| SOT-26 | 6 | 3,000 | 2.8 x 2.9 x 1.3 |
XD6131 Series Part Numbers
| Part number | Sample | Type | Detect Voltage | Detect Accuracy | Package | EDA | Online Store |
|---|---|---|---|---|---|---|---|
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XD6131A161MR-Q |
EN pin With pull up resistor | 1.6V | ±1.0％ | SOT-26 | |||
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XD6131A171MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A181MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
|
XD6131A191MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
|
XD6131A201MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
|
XD6131A211MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
|
XD6131A221MR-Q |
EN pin With pull up resistor | 2.2V | ±1.0％ | SOT-26 | |||
|
XD6131A231MR-Q |
EN pin With pull up resistor | 2.3V | ±1.0％ | SOT-26 | |||
|
XD6131A241MR-Q |
EN pin With pull up resistor | 2.4V | ±1.0％ | SOT-26 | |||
|
XD6131A251MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A261MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A271MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A281MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
|
XD6131A291MR-Q |
EN pin With pull up resistor | 2.9V | ±1.0％ | SOT-26 | |||
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XD6131A301MR-Q |
EN pin With pull up resistor | 3.0V | ±1.0％ | SOT-26 | |||
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XD6131A311MR-Q |
EN pin With pull up resistor | 3.1V | ±1.0％ | SOT-26 | |||
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XD6131A321MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A331MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A341MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A351MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A361MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A371MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
|
XD6131A381MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A391MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A401MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A411MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A421MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A431MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A441MR-Q |
EN pin With pull up resistor | 4.4V | ±1.0％ | SOT-26 | |||
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XD6131A451MR-Q |
EN pin With pull up resistor | 4.5V | ±1.0％ | SOT-26 | |||
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XD6131A461MR-Q |
EN pin With pull up resistor | 4.6V | ±1.0％ | SOT-26 | |||
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XD6131A471MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A481MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A491MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131A501MR-Q |
EN pin With pull up resistor | ±1.0％ | SOT-26 | ||||
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XD6131B161MR-Q |
ENB pin With pull down resistor | 1.6V | ±1.0％ | SOT-26 | |||
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XD6131B171MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B181MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B191MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B201MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
|
XD6131B211MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
|
XD6131B221MR-Q |
ENB pin With pull down resistor | 2.2V | ±1.0％ | SOT-26 | |||
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XD6131B231MR-Q |
ENB pin With pull down resistor | 2.3V | ±1.0％ | SOT-26 | |||
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XD6131B241MR-Q |
ENB pin With pull down resistor | 2.4V | ±1.0％ | SOT-26 | |||
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XD6131B251MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
|
XD6131B261MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
|
XD6131B271MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
|
XD6131B281MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
|
XD6131B291MR-Q |
ENB pin With pull down resistor | 2.9V | ±1.0％ | SOT-26 | |||
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XD6131B301MR-Q |
ENB pin With pull down resistor | 3.0V | ±1.0％ | SOT-26 | |||
|
XD6131B311MR-Q |
ENB pin With pull down resistor | 3.1V | ±1.0％ | SOT-26 | |||
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XD6131B321MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B331MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B341MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B351MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B361MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B371MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B381MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B391MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B401MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B411MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B421MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B431MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
|
XD6131B441MR-Q |
ENB pin With pull down resistor | 4.4V | ±1.0％ | SOT-26 | |||
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XD6131B451MR-Q |
ENB pin With pull down resistor | 4.5V | ±1.0％ | SOT-26 | |||
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XD6131B461MR-Q |
ENB pin With pull down resistor | 4.6V | ±1.0％ | SOT-26 | |||
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XD6131B471MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B481MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B491MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 | ||||
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XD6131B501MR-Q |
ENB pin With pull down resistor | ±1.0％ | SOT-26 |
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