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HA13166H-E is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG LINEAR VOLT FOR CAR AUDIO. Review the specifications below when checking this part for your BOM.
The HA13166H-E is a compact multiple voltage regulator designed for car audio systems. It integrates regulated outputs including 5.7V for microcontrollers, 3.3V for digital signal processors, 8V for CD drivers, 9.0V for audio control, and 10V for illuminations. The device features ACC power monitoring, low saturation PNP outputs, and adjustable illumination voltage via external resistors. Protection mechanisms include output current limiting, high surge input protection for VCC and ACC, and thermal shutdown circuits to prevent destruction from shorts or overheating.
Verify the exact suffix designation with the manufacturer, as datasheets may list HA13166H without the specific -E suffix. Confirm availability status as automotive legacy components may have limited production runs. Ensure compatibility with existing board layouts and thermal requirements before procurement.
Select this component when designing automotive audio systems requiring a single IC solution for multiple voltage rails. It is suitable for applications needing integrated surge protection and thermal shutdown. Consider the adjustable illumination output feature if variable lighting voltage is required. Verify that the package type matches the PCB footprint constraints of the target design.
The HA13166H belongs to Renesas' portfolio of specialized power management ICs for automotive applications. It replaces discrete regulator solutions, reducing component count and board space. Similar devices in the family include the HA13164 and HA13165, which offer varying output configurations for different audio system architectures.
Direct replacements include the HA13164AH and HA13165H. Verify pin compatibility and output voltage tolerances before substitution. Note that alternative regulators may require external components for equivalent surge protection or thermal management.
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HA13166H-E is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation.…
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