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The TL432BQDBVRG4 is an adjustable precision shunt regulator manufactured by Texas Instruments, designed for automotive and industrial applications. It operates within a supply voltage range of 2.5 V to 36 V and provides an initial accuracy of ±0.5%. The device features a low temperature coefficient of 34 ppm/°C and supports a maximum cathode current of 100 mA. It is housed in a compact SOT-23-5 package and is qualified for operation across an extended temperature range from -40°C to +125°C.
Verify the specific suffix G4 indicates lead-free and RoHS compliance status according to the manufacturer's latest documentation. Confirm automotive grade AEC-Q100 qualification requirements are met for your target application environment. Check for any recent lifecycle changes or obsolescence notices directly from Texas Instruments before finalizing procurement plans.
Select this component when high precision and automotive reliability are required. Ensure the SOT-23-5 package fits the PCB layout constraints. Verify that the 100 mA cathode current capability meets the load requirements. Consider the extended temperature range if operating in uncontrolled environments compared to commercial grade alternatives.
This part belongs to the TL432 family of adjustable precision shunt regulators. It serves as a higher precision and automotive-qualified alternative to standard commercial versions like the TL432BCDBVR. The device integrates a bandgap reference and error amplifier to provide stable voltage regulation in compact surface-mount packages suitable for space-constrained designs.
Direct pin-compatible substitutes include other TL432 variants with similar accuracy grades such as TL432ACDBVR or TL432AIDBVR, provided automotive qualification is not strictly required. For non-automotive applications, the TL431 series may offer comparable functionality in different package options.