Voltage Detector with Watchdog Function and ON/OFF Control
AEC-Q100(Grade3) compliant
The XD6121 series is a group of high-precision, low current consumption voltage detectors with watchdog functions incorporating CMOS process technology. The series consist of a reference voltage source, delay circuit, comparator, and output driver. With the built-in delay circuit, the series do not require any external components to output signals with release delay time. The output type is VDFL low when detected. The EN/ENB pin can control ON and OFF of the watchdog functions. By setting the EN/ENB pin to low or high level, the watchdog function can be OFF while the voltage detector remains operation.
The detect voltages are 1.6V, 2.2V, 2.3V, 2.4V, 2.9V, 3.0V, 3.1V, 4.4V, 4.5V, 4.6V, using laser trimming technology. Six watchdog timeout periods are available in a range from 50ms to 1.6s. Five release delay times are available in a range from 3.13ms to 400ms
*TOREX’s automotive products (XD Series) are AEC-Q100 compliant.
Feature
Detect Voltage Range (Standard) | 1.6V, 2.2V, 2.3V, 2.4V, 2.9V, 3.0V, 3.1V, 4.4V, 4.5V, 4.6V |
Detect Voltage Accuracy | ±2% (Ta=25℃) +4% -5% (Ta=-40~85℃) |
Hysteresis Width | VDFL×5% |
Operating Voltage Range | 1.0V~6.0V |
Output Configuration | N-channel open drain |
Release Delay Time | 400ms,200ms,100ms,50ms,3.13ms |
Watchdog Timeout Period | 1.6s,800ms,400ms, 200ms,100ms,50ms |
Operating Ambient Temperature | -40℃~+85℃ |
Typical Application Circuit
Technical Document
- Product Overview
Packages
Package | Number of Pins | Pcs/Reel | Package Size(mm) |
---|---|---|---|
SOT-25 | 5 | 3,000 | 2.8 x 2.9 x 1.3 |
XD6121 Series Part Numbers
Part number | Sample | Release Delay Time | Watchdog Timeout Period | Detect Voltage | Package | EDA | Online Store |
---|---|---|---|---|---|---|---|
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XD6121A216MR-Q |
3.13ms | 50ms | 1.6V | SOT-25 | |||
XD6121A222MR-Q |
3.13ms | 50ms | 2.2V | SOT-25 | |||
XD6121A223MR-Q |
3.13ms | 50ms | 2.3V | SOT-25 | |||
XD6121A224MR-Q |
3.13ms | 50ms | 2.4V | SOT-25 | |||
XD6121A229MR-Q |
3.13ms | 50ms | 2.9V | SOT-25 | |||
XD6121A230MR-Q |
3.13ms | 50ms | 3.0V | SOT-25 | |||
XD6121A231MR-Q |
3.13ms | 50ms | 3.1V | SOT-25 | |||
XD6121A244MR-Q |
3.13ms | 50ms | 4.4V | SOT-25 | |||
XD6121A245MR-Q |
3.13ms | 50ms | 4.5V | SOT-25 | |||
XD6121A246MR-Q |
3.13ms | 50ms | 4.6V | SOT-25 | |||
XD6121A316MR-Q |
3.13ms | 100ms | 1.6V | SOT-25 | |||
XD6121A322MR-Q |
3.13ms | 100ms | 2.2V | SOT-25 | |||
XD6121A323MR-Q |
3.13ms | 100ms | 2.3V | SOT-25 | |||
XD6121A324MR-Q |
3.13ms | 100ms | 2.4V | SOT-25 | |||
XD6121A329MR-Q |
3.13ms | 100ms | 2.9V | SOT-25 | |||
XD6121A330MR-Q |
3.13ms | 100ms | 3.0V | SOT-25 | |||
XD6121A331MR-Q |
3.13ms | 100ms | 3.1V | SOT-25 | |||
XD6121A344MR-Q |
3.13ms | 100ms | 4.4V | SOT-25 | |||
XD6121A345MR-Q |
3.13ms | 100ms | 4.5V | SOT-25 | |||
XD6121A346MR-Q |
3.13ms | 100ms | 4.6V | SOT-25 | |||
XD6121A416MR-Q |
3.13ms | 200ms | 1.6V | SOT-25 | |||
XD6121A422MR-Q |
3.13ms | 200ms | 2.2V | SOT-25 | |||
XD6121A423MR-Q |
3.13ms | 200ms | 2.3V | SOT-25 | |||
XD6121A424MR-Q |
3.13ms | 200ms | 2.4V | SOT-25 | |||
XD6121A429MR-Q |
3.13ms | 200ms | 2.9V | SOT-25 | |||
XD6121A430MR-Q |
3.13ms | 200ms | 3.0V | SOT-25 | |||
XD6121A431MR-Q |
3.13ms | 200ms | 3.1V | SOT-25 | |||
XD6121A444MR-Q |
3.13ms | 200ms | 4.4V | SOT-25 | |||
XD6121A445MR-Q |
3.13ms | 200ms | 4.5V | SOT-25 | |||
XD6121A446MR-Q |
3.13ms | 200ms | 4.6V | SOT-25 | |||
XD6121A516MR-Q |
3.13ms | 400ms | 1.6V | SOT-25 | |||
XD6121A522MR-Q |
3.13ms | 400ms | 2.2V | SOT-25 | |||
XD6121A523MR-Q |
3.13ms | 400ms | 2.3V | SOT-25 | |||
XD6121A524MR-Q |
3.13ms | 400ms | 2.4V | SOT-25 | |||
XD6121A529MR-Q |
3.13ms | 400ms | 2.9V | SOT-25 | |||
XD6121A530MR-Q |
3.13ms | 400ms | 3.0V | SOT-25 | |||
XD6121A531MR-Q |
3.13ms | 400ms | 3.1V | SOT-25 | |||
XD6121A544MR-Q |
3.13ms | 400ms | 4.4V | SOT-25 | |||
XD6121A545MR-Q |
3.13ms | 400ms | 4.5V | SOT-25 | |||
XD6121A546MR-Q |
3.13ms | 400ms | 4.6V | SOT-25 | |||
XD6121A616MR-Q |
3.13ms | 1.6s | 1.6V | SOT-25 | |||
XD6121A622MR-Q |
3.13ms | 1.6s | 2.2V | SOT-25 | |||
XD6121A623MR-Q |
3.13ms | 1.6s | 2.3V | SOT-25 | |||
XD6121A624MR-Q |
3.13ms | 1.6s | 2.4V | SOT-25 | |||
XD6121A629MR-Q |
3.13ms | 1.6s | 2.9V | SOT-25 | |||
XD6121A630MR-Q |
3.13ms | 1.6s | 3.0V | SOT-25 | |||
XD6121A631MR-Q |
3.13ms | 1.6s | 3.1V | SOT-25 | |||
XD6121A644MR-Q |
3.13ms | 1.6s | 4.4V | SOT-25 | |||
XD6121A645MR-Q |
3.13ms | 1.6s | 4.5V | SOT-25 | |||
XD6121A646MR-Q |
3.13ms | 1.6s | 4.6V | SOT-25 | |||
XD6121A716MR-Q |
3.13ms | 800ms | 1.6V | SOT-25 | |||
XD6121A722MR-Q |
3.13ms | 800ms | 2.2V | SOT-25 | |||
XD6121A723MR-Q |
3.13ms | 800ms | 2.3V | SOT-25 | |||
XD6121A724MR-Q |
3.13ms | 800ms | 2.4V | SOT-25 | |||
XD6121A729MR-Q |
3.13ms | 800ms | 2.9V | SOT-25 | |||
XD6121A730MR-Q |
3.13ms | 800ms | 3.0V | SOT-25 | |||
XD6121A731MR-Q |
3.13ms | 800ms | 3.1V | SOT-25 | |||
XD6121A744MR-Q |
3.13ms | 800ms | 4.4V | SOT-25 | |||
XD6121A745MR-Q |
3.13ms | 800ms | 4.5V | SOT-25 | |||
XD6121A746MR-Q |
3.13ms | 800ms | 4.6V | SOT-25 | |||
XD6121C216MR-Q |
50ms | 50ms | 1.6V | SOT-25 | |||
XD6121C222MR-Q |
50ms | 50ms | 2.2V | SOT-25 | |||
XD6121C223MR-Q |
50ms | 50ms | 2.3V | SOT-25 | |||
XD6121C224MR-Q |
50ms | 50ms | 2.4V | SOT-25 | |||
XD6121C229MR-Q |
50ms | 50ms | 2.9V | SOT-25 | |||
XD6121C230MR-Q |
50ms | 50ms | 3.0V | SOT-25 | |||
XD6121C231MR-Q |
50ms | 50ms | 3.1V | SOT-25 | |||
XD6121C244MR-Q |
50ms | 50ms | 4.4V | SOT-25 | |||
XD6121C245MR-Q |
50ms | 50ms | 4.5V | SOT-25 | |||
XD6121C246MR-Q |
50ms | 50ms | 4.6V | SOT-25 | |||
XD6121C316MR-Q |
50ms | 100ms | 1.6V | SOT-25 | |||
XD6121C322MR-Q |
50ms | 100ms | 2.2V | SOT-25 | |||
XD6121C323MR-Q |
50ms | 100ms | 2.3V | SOT-25 | |||
XD6121C324MR-Q |
50ms | 100ms | 2.4V | SOT-25 | |||
XD6121C329MR-Q |
50ms | 100ms | 2.9V | SOT-25 | |||
XD6121C330MR-Q |
50ms | 100ms | 3.0V | SOT-25 | |||
XD6121C331MR-Q |
50ms | 100ms | 3.1V | SOT-25 | |||
XD6121C344MR-Q |
50ms | 100ms | 4.4V | SOT-25 | |||
XD6121C345MR-Q |
50ms | 100ms | 4.5V | SOT-25 | |||
XD6121C346MR-Q |
50ms | 100ms | 4.6V | SOT-25 | |||
XD6121C416MR-Q |
50ms | 200ms | 1.6V | SOT-25 | |||
XD6121C422MR-Q |
50ms | 200ms | 2.2V | SOT-25 | |||
XD6121C423MR-Q |
50ms | 200ms | 2.3V | SOT-25 | |||
XD6121C424MR-Q |
50ms | 200ms | 2.4V | SOT-25 | |||
XD6121C429MR-Q |
50ms | 200ms | 2.9V | SOT-25 | |||
XD6121C430MR-Q |
50ms | 200ms | 3.0V | SOT-25 | |||
XD6121C431MR-Q |
50ms | 200ms | 3.1V | SOT-25 | |||
XD6121C444MR-Q |
50ms | 200ms | 4.4V | SOT-25 | |||
XD6121C445MR-Q |
50ms | 200ms | 4.5V | SOT-25 | |||
XD6121C446MR-Q |
50ms | 200ms | 4.6V | SOT-25 | |||
XD6121C516MR-Q |
50ms | 400ms | 1.6V | SOT-25 | |||
XD6121C522MR-Q |
50ms | 400ms | 2.2V | SOT-25 | |||
XD6121C523MR-Q |
50ms | 400ms | 2.3V | SOT-25 | |||
XD6121C524MR-Q |
50ms | 400ms | 2.4V | SOT-25 | |||
XD6121C529MR-Q |
50ms | 400ms | 2.9V | SOT-25 | |||
XD6121C530MR-Q |
50ms | 400ms | 3.0V | SOT-25 | |||
XD6121C531MR-Q |
50ms | 400ms | 3.1V | SOT-25 | |||
XD6121C544MR-Q |
50ms | 400ms | 4.4V | SOT-25 | |||
XD6121C545MR-Q |
50ms | 400ms | 4.5V | SOT-25 | |||
XD6121C546MR-Q |
50ms | 400ms | 4.6V | SOT-25 | |||
XD6121C616MR-Q |
50ms | 1.6s | 1.6V | SOT-25 | |||
XD6121C622MR-Q |
50ms | 1.6s | 2.2V | SOT-25 | |||
XD6121C623MR-Q |
50ms | 1.6s | 2.3V | SOT-25 | |||
XD6121C624MR-Q |
50ms | 1.6s | 2.4V | SOT-25 | |||
XD6121C629MR-Q |
50ms | 1.6s | 2.9V | SOT-25 | |||
XD6121C630MR-Q |
50ms | 1.6s | 3.0V | SOT-25 | |||
XD6121C631MR-Q |
50ms | 1.6s | 3.1V | SOT-25 | |||
XD6121C644MR-Q |
50ms | 1.6s | 4.4V | SOT-25 | |||
XD6121C645MR-Q |
50ms | 1.6s | 4.5V | SOT-25 | |||
XD6121C646MR-Q |
50ms | 1.6s | 4.6V | SOT-25 | |||
XD6121C716MR-Q |
50ms | 800ms | 1.6V | SOT-25 | |||
XD6121C722MR-Q |
50ms | 800ms | 2.2V | SOT-25 | |||
XD6121C723MR-Q |
50ms | 800ms | 2.3V | SOT-25 | |||
XD6121C724MR-Q |
50ms | 800ms | 2.4V | SOT-25 | |||
XD6121C729MR-Q |
50ms | 800ms | 2.9V | SOT-25 | |||
XD6121C730MR-Q |
50ms | 800ms | 3.0V | SOT-25 | |||
XD6121C731MR-Q |
50ms | 800ms | 3.1V | SOT-25 | |||
XD6121C744MR-Q |
50ms | 800ms | 4.4V | SOT-25 | |||
XD6121C745MR-Q |
50ms | 800ms | 4.5V | SOT-25 | |||
XD6121C746MR-Q |
50ms | 800ms | 4.6V | SOT-25 | |||
XD6121D316MR-Q |
100ms | 100ms | 1.6V | SOT-25 | |||
XD6121D322MR-Q |
100ms | 100ms | 2.2V | SOT-25 | |||
XD6121D323MR-Q |
100ms | 100ms | 2.3V | SOT-25 | |||
XD6121D324MR-Q |
100ms | 100ms | 2.4V | SOT-25 | |||
XD6121D329MR-Q |
100ms | 100ms | 2.9V | SOT-25 | |||
XD6121D330MR-Q |
100ms | 100ms | 3.0V | SOT-25 | |||
XD6121D331MR-Q |
100ms | 100ms | 3.1V | SOT-25 | |||
XD6121D344MR-Q |
100ms | 100ms | 4.4V | SOT-25 | |||
XD6121D345MR-Q |
100ms | 100ms | 4.5V | SOT-25 | |||
XD6121D346MR-Q |
100ms | 100ms | 4.6V | SOT-25 | |||
XD6121D416MR-Q |
100ms | 200ms | 1.6V | SOT-25 | |||
XD6121D422MR-Q |
100ms | 200ms | 2.2V | SOT-25 | |||
XD6121D423MR-Q |
100ms | 200ms | 2.3V | SOT-25 | |||
XD6121D424MR-Q |
100ms | 200ms | 2.4V | SOT-25 | |||
XD6121D429MR-Q |
100ms | 200ms | 2.9V | SOT-25 | |||
XD6121D430MR-Q |
100ms | 200ms | 3.0V | SOT-25 | |||
XD6121D431MR-Q |
100ms | 200ms | 3.1V | SOT-25 | |||
XD6121D444MR-Q |
100ms | 200ms | 4.4V | SOT-25 | |||
XD6121D445MR-Q |
100ms | 200ms | 4.5V | SOT-25 | |||
XD6121D446MR-Q |
100ms | 200ms | 4.6V | SOT-25 | |||
XD6121D516MR-Q |
100ms | 400ms | 1.6V | SOT-25 | |||
XD6121D522MR-Q |
100ms | 400ms | 2.2V | SOT-25 | |||
XD6121D523MR-Q |
100ms | 400ms | 2.3V | SOT-25 | |||
XD6121D524MR-Q |
100ms | 400ms | 2.4V | SOT-25 | |||
XD6121D529MR-Q |
100ms | 400ms | 2.9V | SOT-25 | |||
XD6121D530MR-Q |
100ms | 400ms | 3.0V | SOT-25 | |||
XD6121D531MR-Q |
100ms | 400ms | 3.1V | SOT-25 | |||
XD6121D544MR-Q |
100ms | 400ms | 4.4V | SOT-25 | |||
XD6121D545MR-Q |
100ms | 400ms | 4.5V | SOT-25 | |||
XD6121D546MR-Q |
100ms | 400ms | 4.6V | SOT-25 | |||
XD6121D616MR-Q |
100ms | 1.6s | 1.6V | SOT-25 | |||
XD6121D622MR-Q |
100ms | 1.6s | 2.2V | SOT-25 | |||
XD6121D623MR-Q |
100ms | 1.6s | 2.3V | SOT-25 | |||
XD6121D624MR-Q |
100ms | 1.6s | 2.4V | SOT-25 | |||
XD6121D629MR-Q |
100ms | 1.6s | 2.9V | SOT-25 | |||
XD6121D630MR-Q |
100ms | 1.6s | 3.0V | SOT-25 | |||
XD6121D631MR-Q |
100ms | 1.6s | 3.1V | SOT-25 | |||
XD6121D644MR-Q |
100ms | 1.6s | 4.4V | SOT-25 | |||
XD6121D645MR-Q |
100ms | 1.6s | 4.5V | SOT-25 | |||
XD6121D646MR-Q |
100ms | 1.6s | 4.6V | SOT-25 | |||
XD6121D716MR-Q |
100ms | 800ms | 1.6V | SOT-25 | |||
XD6121D722MR-Q |
100ms | 800ms | 2.2V | SOT-25 | |||
XD6121D723MR-Q |
100ms | 800ms | 2.3V | SOT-25 | |||
XD6121D724MR-Q |
100ms | 800ms | 2.4V | SOT-25 | |||
XD6121D729MR-Q |
100ms | 800ms | 2.9V | SOT-25 | |||
XD6121D730MR-Q |
100ms | 800ms | 3.0V | SOT-25 | |||
XD6121D731MR-Q |
100ms | 800ms | 3.1V | SOT-25 | |||
XD6121D744MR-Q |
100ms | 800ms | 4.4V | SOT-25 | |||
XD6121D745MR-Q |
100ms | 800ms | 4.5V | SOT-25 | |||
XD6121D746MR-Q |
100ms | 800ms | 4.6V | SOT-25 | |||
XD6121E416MR-Q |
200ms | 200ms | 1.6V | SOT-25 | |||
XD6121E422MR-Q |
200ms | 200ms | 2.2V | SOT-25 | |||
XD6121E423MR-Q |
200ms | 200ms | 2.3V | SOT-25 | |||
XD6121E424MR-Q |
200ms | 200ms | 2.4V | SOT-25 | |||
XD6121E429MR-Q |
200ms | 200ms | 2.9V | SOT-25 | |||
XD6121E430MR-Q |
200ms | 200ms | 3.0V | SOT-25 | |||
XD6121E431MR-Q |
200ms | 200ms | 3.1V | SOT-25 | |||
XD6121E444MR-Q |
200ms | 200ms | 4.4V | SOT-25 | |||
XD6121E445MR-Q |
200ms | 200ms | 4.5V | SOT-25 | |||
XD6121E446MR-Q |
200ms | 200ms | 4.6V | SOT-25 | |||
XD6121E516MR-Q |
200ms | 400ms | 1.6V | SOT-25 | |||
XD6121E522MR-Q |
200ms | 400ms | 2.2V | SOT-25 | |||
XD6121E523MR-Q |
200ms | 400ms | 2.3V | SOT-25 | |||
XD6121E524MR-Q |
200ms | 400ms | 2.4V | SOT-25 | |||
XD6121E529MR-Q |
200ms | 400ms | 2.9V | SOT-25 | |||
XD6121E530MR-Q |
200ms | 400ms | 3.0V | SOT-25 | |||
XD6121E531MR-Q |
200ms | 400ms | 3.1V | SOT-25 | |||
XD6121E544MR-Q |
200ms | 400ms | 4.4V | SOT-25 | |||
XD6121E545MR-Q |
200ms | 400ms | 4.5V | SOT-25 | |||
XD6121E546MR-Q |
200ms | 400ms | 4.6V | SOT-25 | |||
XD6121E616MR-Q |
200ms | 1.6s | 1.6V | SOT-25 | |||
XD6121E622MR-Q |
200ms | 1.6s | 2.2V | SOT-25 | |||
XD6121E623MR-Q |
200ms | 1.6s | 2.3V | SOT-25 | |||
XD6121E624MR-Q |
200ms | 1.6s | 2.4V | SOT-25 | |||
XD6121E629MR-Q |
200ms | 1.6s | 2.9V | SOT-25 | |||
XD6121E630MR-Q |
200ms | 1.6s | 3.0V | SOT-25 | |||
XD6121E631MR-Q |
200ms | 1.6s | 3.1V | SOT-25 | |||
XD6121E644MR-Q |
200ms | 1.6s | 4.4V | SOT-25 | |||
XD6121E645MR-Q |
200ms | 1.6s | 4.5V | SOT-25 | |||
XD6121E646MR-Q |
200ms | 1.6s | 4.6V | SOT-25 | |||
XD6121E716MR-Q |
200ms | 800ms | 1.6V | SOT-25 | |||
XD6121E722MR-Q |
200ms | 800ms | 2.2V | SOT-25 | |||
XD6121E723MR-Q |
200ms | 800ms | 2.3V | SOT-25 | |||
XD6121E724MR-Q |
200ms | 800ms | 2.4V | SOT-25 | |||
XD6121E729MR-Q |
200ms | 800ms | 2.9V | SOT-25 | |||
XD6121E730MR-Q |
200ms | 800ms | 3.0V | SOT-25 | |||
XD6121E731MR-Q |
200ms | 800ms | 3.1V | SOT-25 | |||
XD6121E744MR-Q |
200ms | 800ms | 4.4V | SOT-25 | |||
XD6121E745MR-Q |
200ms | 800ms | 4.5V | SOT-25 | |||
XD6121E746MR-Q |
200ms | 800ms | 4.6V | SOT-25 | |||
XD6121F516MR-Q |
400ms | 400ms | 1.6V | SOT-25 | |||
XD6121F522MR-Q |
400ms | 400ms | 2.2V | SOT-25 | |||
XD6121F523MR-Q |
400ms | 400ms | 2.3V | SOT-25 | |||
XD6121F524MR-Q |
400ms | 400ms | 2.4V | SOT-25 | |||
XD6121F529MR-Q |
400ms | 400ms | 2.9V | SOT-25 | |||
XD6121F530MR-Q |
400ms | 400ms | 3.0V | SOT-25 | |||
XD6121F531MR-Q |
400ms | 400ms | 3.1V | SOT-25 | |||
XD6121F544MR-Q |
400ms | 400ms | 4.4V | SOT-25 | |||
XD6121F545MR-Q |
400ms | 400ms | 4.5V | SOT-25 | |||
XD6121F546MR-Q |
400ms | 400ms | 4.6V | SOT-25 | |||
XD6121F616MR-Q |
400ms | 1.6s | 1.6V | SOT-25 | |||
XD6121F622MR-Q |
400ms | 1.6s | 2.2V | SOT-25 | |||
XD6121F623MR-Q |
400ms | 1.6s | 2.3V | SOT-25 | |||
XD6121F624MR-Q |
400ms | 1.6s | 2.4V | SOT-25 | |||
XD6121F629MR-Q |
400ms | 1.6s | 2.9V | SOT-25 | |||
XD6121F630MR-Q |
400ms | 1.6s | 3.0V | SOT-25 | |||
XD6121F631MR-Q |
400ms | 1.6s | 3.1V | SOT-25 | |||
XD6121F644MR-Q |
400ms | 1.6s | 4.4V | SOT-25 | |||
XD6121F645MR-Q |
400ms | 1.6s | 4.5V | SOT-25 | |||
XD6121F646MR-Q |
400ms | 1.6s | 4.6V | SOT-25 | |||
XD6121F716MR-Q |
400ms | 800ms | 1.6V | SOT-25 | |||
XD6121F722MR-Q |
400ms | 800ms | 2.2V | SOT-25 | |||
XD6121F723MR-Q |
400ms | 800ms | 2.3V | SOT-25 | |||
XD6121F724MR-Q |
400ms | 800ms | 2.4V | SOT-25 | |||
XD6121F729MR-Q |
400ms | 800ms | 2.9V | SOT-25 | |||
XD6121F730MR-Q |
400ms | 800ms | 3.0V | SOT-25 | |||
XD6121F731MR-Q |
400ms | 800ms | 3.1V | SOT-25 | |||
XD6121F744MR-Q |
400ms | 800ms | 4.4V | SOT-25 | |||
XD6121F745MR-Q |
400ms | 800ms | 4.5V | SOT-25 | |||
XD6121F746MR-Q |
400ms | 800ms | 4.6V | SOT-25 |
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