| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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5,577 pcs
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5577 pcs | On Request | 1 | On Request | On Request | 11+ | On Request | On Request |
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| Reset | |
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| Tape & Reel | |
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| Watchdog Timer |
The ROHM Semiconductor BD87A28FVM-TR is a silicon monolithic integrated circuit belonging to the BD87Axx series of voltage detectors with watchdog timers. This device is designed to monitor power supply voltages and prevent system runaway operations in microcontrollers and DSPs.
Key features include a built-in watchdog timer, an adjustable reset delay time set by external capacitance, and a watchdog timer monitor time also configurable via external capacitance. The output circuit type is N-Channel Open Drain. It operates within a power supply voltage range of 1.0V to 10V for reset functions and 2.5V to 10V for the watchdog timer.
The BD87A28FVM-TR boasts high precision detection voltage with a typical accuracy of ±1.5% at 25°C and ±2.5% across the operating temperature range of -40°C to 105°C. It also features super-low current consumption of 5µA (Typ). The device is available in an 8-MSOP package with surface mount mounting type.
Applications for this IC include a wide range of electronic devices utilizing microcontrollers or DSPs, such as vehicle equipment, displays, servers, DVD players, and telephone systems. Its robust design and low power consumption make it suitable for various embedded systems requiring reliable voltage monitoring and system supervision.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.75 | $0.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The reset function operates from 1.0V to 10V, and the watchdog timer operates from 2.5V to 10V.
The device is available in an 8-MSOP package, also described as 8-VSSOP, 8-MSOP (0.110", 2.80mm Width).
The operating temperature range is -40°C to +105°C.
Yes, it has a built-in watchdog timer.
The typical current consumption is 5µA.
The reset delay time is set by the external capacitance on the CT pin.
The detection voltage accuracy is ±1.5% at 25°C and ±2.5% over the full temperature range (-40°C to +105°C).