Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 4 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.25V |
| Voltage - Output (Max) | 1.525V |
| Current - Output | 20A |
| Frequency - Switching | 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
MAX77812EWB+T is Maxim’s evaluation (EWB) board for the MAX77812 power-management IC. It provides a ready-to-use platform to assess the PMIC’s performance and to serve as a reference design for integrating MAX77812 into your system.
Key points:
- Lets you bench-test the MAX77812’s power rails, sequencing, and protection features in a real circuit.
- Provides access to input, outputs, feedback, and diagnostic/test points for easy measurement and debugging.
- Includes an on-board controller/interface for configuration and monitoring (typical options like USB or other control interfaces, as supported by the board).
- Comes with reference design materials: schematics, bill of materials, and application notes to speed integration.
- Suitable for evaluating efficiency, load-step response, voltage accuracy, and overall system behavior for portable and embedded applications.
Getting started: connect power, attach your load to the rails, use the provided interface to configure/monitor, and reference the supplied docs for setup and measurements.
Key points:
- Lets you bench-test the MAX77812’s power rails, sequencing, and protection features in a real circuit.
- Provides access to input, outputs, feedback, and diagnostic/test points for easy measurement and debugging.
- Includes an on-board controller/interface for configuration and monitoring (typical options like USB or other control interfaces, as supported by the board).
- Comes with reference design materials: schematics, bill of materials, and application notes to speed integration.
- Suitable for evaluating efficiency, load-step response, voltage accuracy, and overall system behavior for portable and embedded applications.
Getting started: connect power, attach your load to the rails, use the provided interface to configure/monitor, and reference the supplied docs for setup and measurements.
Pinout
- Pin count: 28 pins (in the EWB+T package, typically a 4×4 mm QFN).
- Function: Maxim MAX77812 is a multi‑phase power‑management IC for portable devices. It integrates switching regulators (buck/boost), LDOs, and power‑path/battery‑charging features to regulate system voltages from a Li‑ion battery.
- Function: Maxim MAX77812 is a multi‑phase power‑management IC for portable devices. It integrates switching regulators (buck/boost), LDOs, and power‑path/battery‑charging features to regulate system voltages from a Li‑ion battery.
Manufacturer
- Manufacturer: Maxim Integrated (MAX77812EWB+T is a Maxim part; the company is a semiconductor firm specializing in analog and mixed-signal ICs, now a subsidiary of Analog Devices).
Application
Application areas of MAX77812EWB+T:
- Wearables and smart devices (smartwatches, fitness bands)
- Portable handhelds and other single-cell Li‑ion powered electronics
- IoT sensors and remote monitoring nodes requiring charging and power‑path management
- USB-powered accessories and compact chargers
- Small medical devices and wellness gadgets
- Display backlight/LED driver power for compact consumer devices
- Wearables and smart devices (smartwatches, fitness bands)
- Portable handhelds and other single-cell Li‑ion powered electronics
- IoT sensors and remote monitoring nodes requiring charging and power‑path management
- USB-powered accessories and compact chargers
- Small medical devices and wellness gadgets
- Display backlight/LED driver power for compact consumer devices
Package
The MAX77812EWB+T comes in a 16‑pin TDFN (4x4 mm) package with an exposed pad, provided in Tape & Reel.
