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Product Detailed Parameters
- Description：IC SECONDARY SIDE CTRLR 32LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Applications：Power Supplies
- Voltage - Input：0V ~ 1.55V
- Voltage - Supply：3.1V ~ 3.6V
- Current - Supply：20 mA
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：32-VFQFN Exposed Pad, CSP
- Supplier Device Package：32-LFCSP-VQ (5x5)
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Overview
The ADP1043AACPZ-R7 is a synchronous buck switching controller manufactured by Analog Devices Inc. It operates within an input voltage range of 2.5 V to 5.5 V and delivers up to 1 A output current. The device integrates a high-side and low-side driver with adjustable dead-time control. It supports I2C interface for configuration and monitoring. The component functions in a temperature range from -40 °C to +85 °C and is housed in a 32-lead LFCSP package measuring 5 mm x 5 mm.
Feature Summary
- Integrates synchronous buck controller with internal drivers
- Supports digital I2C interface for system management
- Includes programmable soft-start and frequency synchronization
Applications
- Portable electronics power management
- Industrial equipment supply regulation
- Telecommunications infrastructure power distribution
Procurement Notes
Verify the specific suffix R7 indicates reel packaging when sourcing. Confirm the ACPZ designation matches the required 32-lead LFCSP thermal pad footprint. Ensure the manufacturer is Analog Devices Inc. to avoid counterfeit components. Check RoHS compliance status through official documentation before integration.
Selection Notes
Select this controller for applications requiring compact synchronous step-down conversion. The integrated drivers reduce external component count compared to asynchronous alternatives. Verify that the I2C interface meets the system's communication requirements. Ensure the operating temperature range aligns with the environmental conditions of the target application.
Part Context
This part belongs to the ADP1043 family of power management ICs designed for efficient voltage regulation. It serves as a core component in systems needing reliable DC-DC conversion. The device complements other Analog Devices PMIC solutions by providing precise control over power delivery stages.
Replacement Considerations
Consult official Analog Devices documentation for qualified pin-to-pin replacements. Verify compatibility of control interfaces and thermal characteristics before substitution.
