BD70H37G-2CTR

Overview

The BD70H37G-2CTR is an automotive-grade voltage detector manufactured by Rohm Semiconductor, designed for monitoring power supply voltages in electronic systems. It features a threshold voltage of 3.66V with ±1% precision and operates within a supply voltage range of 0.8V to 6V. The device utilizes CMOS output technology and includes a reset delay timer. It is qualified under AEC-Q100 Grade 1 standards, ensuring reliability in harsh environments. The component supports an operating temperature range from -40°C to +125°C and is housed in a compact SSOP-5 package.

Feature Summary

• AEC-Q100 Grade 1 qualified for automotive applications
• High-precision voltage detection with ±1% accuracy
• Ultra-low consumption current operation
• Compact SSOP-5 package design

Applications

• Microcontroller system supervision
• CPU power monitoring
• DSP circuit protection
• Automotive electronic control units

Procurement Notes

Verify the specific suffix G-2CTR against the official Rohm datasheet to confirm package type and tape-and-reel specifications. Ensure the procurement channel provides valid RoHS compliance documentation. Cross-reference the manufacturer part number with authorized distributor catalogs to avoid counterfeit components. Confirm that the received inventory matches the exact automotive grade requirements specified for the target application.

Selection Notes

Select this component when high accuracy and low power consumption are critical for automotive voltage monitoring. The CMOS output type suits applications requiring direct interfacing with digital logic without additional pull-up resistors. Consider the wide operating temperature range for environments subject to extreme thermal variations. Verify that the 3.66V threshold aligns precisely with the monitored rail's minimum operational voltage.

Part Context

This part belongs to Rohm's Nano Energy series of voltage detectors, which emphasize low power consumption and small form factors. The BD70Hxx-2C series specifically offers CMOS outputs, distinguishing it from the Nch open-drain variants. These devices are engineered for functional safety support in automotive contexts, providing reliable reset signals for sensitive microcontrollers and processors.

Replacement Considerations

Compatible substitutes include other members of the BD70Hxx-2C series with matching threshold voltages and CMOS outputs. Verify pin compatibility and electrical characteristics before substitution. Consult the official Rohm replacement guide for equivalent parts with similar AEC-Q100 qualifications and package dimensions.