MAX77651AEWV+ by Analog Devices

Ultra-Low Power PMIC with 3-Output SIMO and Power Path Charger for Small Li+


The MAX77650/MAX77651 provide highly-integrated battery charging and power supply solutions for low-power wearable applications where size and efficiency are critical. Both devices feature a SIMO buck-boost regulator that provides three independently programmable power rails from a single inductor to minimize total solution size. A 150mA LDO provides ripple rejection for audio and other noise-sensitive applications. A highly configurable linear charger supports a wide range of Li+ battery capacities and includes battery temperature monitoring for additional safety (JEITA). The devices include other features such as current sinks for driving LED indicators and an analog multiplexer that switches several internal voltage and current signals to an external node for monitoring with an external ADC. A bidirectional I2C interface allows for configuring and checking the status of the devices. An internal on/off controller provides a controlled startup sequence for the regulators and provides supervisory functionality when the devices are on. Numerous factory programmable options allow the device to be tailored for many applications, enabling faster time to market. Design Solution: Can You Hear Me Now? Extend the Life of Your Hearable Device › Design Solution: Hearables Get Longer Life with SIMO ›

Where to Buy

Prices starting from US$2.26

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Features

Highly Integrated Smart Power Selector™ Li+/Li-Poly Charger 3 Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator 150mA LDO 3-Channel Current Sink Driver Analog MUX Output for Power Monitoring
Smart Power Selector™ Li+/Li-Poly Charger
3 Output, Single-Inductor Multiple-Output (SIMO) Buck-Boost Regulator
150mA LDO
3-Channel Current Sink Driver
Analog MUX Output for Power Monitoring
Low Power 0.3µA Shutdown Current 5.6µA Operating Current (3 SIMO Channels + LDO)
0.3µA Shutdown Current
5.6µA Operating Current (3 SIMO Channels + LDO)
Charger Optimized for Small Battery Size Programmable Fast-Charge Current from 7.5mA to 300mA Programmable Battery Regulation Voltage from 3.6V to 4.6V Programmable Termination Current from 0.375mA to 45mA JEITA Battery Temperature Monitors Adjust Charge Current and Battery Regulation Voltage for Safe Charging
Programmable Fast-Charge Current from 7.5mA to 300mA
Programmable Battery Regulation Voltage from 3.6V to 4.6V
Programmable Termination Current from 0.375mA to 45mA
JEITA Battery Temperature Monitors Adjust Charge Current and Battery Regulation Voltage for Safe Charging
Flexible and Configurable I2C Compatible Interface and GPIO Factory OTP Options Available
I2C Compatible Interface and GPIO
Factory OTP Options Available
Small Size 2.75mm × 2.15mm × 0.7mm WLP Package 30-Bump, 0.4mm-Pitch WLP, 6x5 Array Small Total Solution Size (19.2mm2)
2.75mm × 2.15mm × 0.7mm WLP Package
30-Bump, 0.4mm-Pitch WLP, 6x5 Array
Small Total Solution Size (19.2mm2)

Specifications

VIN (V) (min) 2.7
VIN (V) (max) 5.5
# Step-Down Outputs 3
# Step-Up Outputs 3
# LDO Outputs 1
Battery Charger Features Battery ChargerCharge TimerInput Current LimitSmart Pwr. SelectorThermal Die RegulationThermistor InputUSB Input
VOUT (V) (min) 0.8
VOUT (V) (max) 5.25
Package/Pins WLP/30
BudgetaryPrice (See Notes) 2.44


MAX77651AEWV+ Semiconductors - ICs by Analog Devices

BATTERY CHARGER LI-ION/POL 0.3A WLP30

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Battery Type Li-Ion Li-Pol
Input Voltage 5.5V
Battery Charge Voltage 4.6V
Charge Current Max 300mA
Battery IC Case Style WLP
No. of Pins 30Pins
No. of Series Cells 1
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

BATTERY CHARGER, LI-ION/POL, 0.3A, WLP30 | Farnell

Frequently Asked Questions

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Is the MAX77651AEWV+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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