MAX1737EEI

MAX1737EEI is a Maxim Integrated power-management IC for portable devices powered by Li‑ion/Li‑polymer cells. It combines a high‑efficiency switching regulator with battery‑charging control and system protection in a compact package (EEI variant).
Key points:
- Functions: regulates a system rail from a single Li‑ion cell and manages Li‑ion charging (CC/CV, termination, preconditioning) with safety protections.
- Protections: overvoltage, overcurrent/short‑circuit, and thermal shutdown, plus status outputs for monitoring.
- Applications: handhelds and other battery‑powered electronics that need an integrated charger and regulator in a small form factor.
- How to use: review the MAX1737EEI datasheet for pinout, recommended external components (inductor, capacitors), typical application circuit, and electrical specs.
In short, it’s a compact, integrated charger and buck regulator aimed at efficient, protected power management for single‑cell Li‑ion battery applications.

- Pin count: 28 pins (28-pin package).
- Function: High‑efficiency switching regulator and battery‑charge/power‑management controller (Li‑ion battery charging/power management IC).

- Manufacturer: Maxim Integrated (Maxim Integrated Products, Inc.), now a brand/division of Analog Devices, Inc. (ADI).
- What kind of company: A global semiconductor company that designs and manufactures analog and mixed-signal integrated circuits, including power-management ICs for consumer, automotive, industrial, and communications applications.

MAX1737EEI is a high-efficiency synchronous step-down DC-DC converter. Typical applications include:
- Portable/battery-powered devices
- Notebook/sub-notebook power management
- Automotive and industrial electronics
- Telecom/networking power supplies and distributed DC-DC rails
- Point-of-load regulators for CPUs/FPGA/ASICs and general consumer electronics (set-top boxes, TVs, etc.)

MAX1737EEI is in a 32-pin QFN package (5×5 mm) with an exposed pad (lead-free/RoHS).