BD49E45G-MTR

Overview

The BD49E45G-MTR is a standard voltage detector IC designed for automotive applications, featuring a typical under-voltage detection threshold of 4.5V with ±1% precision. It operates within a supply voltage range of 0.95V to 10V and utilizes a CMOS output type with a low-active reset state. The device incorporates a fixed 100µs reset delay timer and lacks manual reset or watchdog functions. Power consumption is characterized by 0.60µA in the ON state and 0.85µA in the OFF state at Vs=4.8V. It employs Cu wire bonding technology and is housed in an SSOP-5 package (2.9x2.8mm) rated for -40°C to +105°C.

Feature Summary

• High accuracy voltage detection with ±1% precision and ultra-low current consumption suitable for battery monitoring.
• Automotive-grade reliability certified under AEC-Q101 standards for operation in harsh environments.
• Integrated fixed reset delay timer ensures stable system initialization during power-up sequences.

Applications

• Battery voltage monitoring in automotive electronic control units
• Power management supervision for microcontroller systems
• Voltage level detection in industrial sensor interfaces

Procurement Notes

Verify component authenticity through authorized distributors due to the NRND status. Confirm RoHS compliance and AEC-Q101 certification requirements match target application specifications. Ensure packaging integrity for reel-based surface mount assembly processes.

Selection Notes

Select this component when high detection accuracy and automotive qualification are required. Compare against BD5245G-1 for open-drain output needs or adjustable delay features. Consider circuit current differences and hysteresis characteristics relative to system power constraints.

Part Context

This part belongs to the BD49ExxG-M series of high-accuracy voltage detectors developed for automotive use. It supports functional safety analysis as an FS supportive product. The series emphasizes low power consumption and precise threshold detection for reliable system supervision.

Replacement Considerations

BD5245G-1 is recommended as a direct replacement with identical SSOP-5 packaging and similar detection voltage, offering open-drain output and adjustable delay capabilities for new designs.