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MAX77640EVKIT# MAX77641AEWV+  有现货 可添加我们联系方式获取最优惠价格

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The MAX77640/MAX77641 are a low-IQ power solution for applications where size and efficiency are critical. The device integrates a 3-output single-inductor multiple-output (SIMO) buck-boost regulator, a 150mA LDO, and a 3-channel current-sink driver.

The SIMO operates on an input between 2.7V and 5.5V. The outputs are independently programmable between 0.8V and 5.25V depending on ordering option. Each output is a buck-boost with glitchless transition between buck and boost operation. The SIMO can support >300mA loads (1.8VOUT, 3.7VIN).

The 150mA LDO provides ripple rejection for noise-sensitive applications. The current sinks can be programmed to blink LEDs in custom patterns. The device integrates a power sequencer to control power-up/down order of each output. Default output voltages and sequence order are factory-programmable. An I2C serial interface further configures the device.

The MAX77640/MAX77641 are available in a 30-bump wafer-level package (WLP). Total solution size is 16mm2. For a similar product with a battery charger, refer to the MAX77650.

关键特性

Compact, High-Efficiency Power Solution

3-Output Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator

150mA LDO

3-Channel Current-Sink Driver

Flexible Power Sequencing

GPIO and Reset Output

3-Output SIMO Extends Battery Life

2.7V to 5.5V Input Voltage Range from Single Cell Li-Ion

0.8V to 5.25V Output Voltage Range (Table 1)

Supports >300mA loads (1.8VOUT, 3.7VIN)

Improves Overall System Efficiency while Reducing Size

Maintains Regulation without Dropout unlike Traditional Bucks

Glitchless Buck-Boost Operation

Low Quiescent Current

300nA Shutdown Current

5.6µA Operating Current (3 SIMO Channels and LDO On)

Small Size

2.75mm x 2.15mm (0.7mm max heigh) WLP

30-Bump, 0.2mm Pitch, 6 x 5 Array

16mm2 Total Solution Size

MAX77641AEWV+

应用

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物联网(IoT)设备

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相关资料

封装信息

参考设计

The MAX77640/MAX77641 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) that demonstrates the MAX77640/MAX77641. The EV kit allows for easy evaluation of the MAX77640/MAX77641 resources, including the SIMO, LDO, GPIO, current sinks, and I2C interface.

Windows®-based software provides a user-friendly graphical interface (GUI) as well as a detailed register-based interface to exercise the features of the MAX77640/ MAX77641.

关键特性

Easy to Use

GUI Drives I2C Interface

Red/Green/Blue LED

Fully Assembled and Tested

Emulates System Loading

On-Board Electronic Load for LDO and SIMO Buck Boost Outputs

Electronic Load has Steady-State, Transient, and Random Modes

Evaluates Both Push-Button and Slider-Switch On-Key Options

MAX77640EVKIT#

应用

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物联网(IoT)设备

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