MAX77818EWZ+T Power Management ICs 3A Switch Mode Charger IC Lithium Ion Polymer Package 72-WLP
Product Status | Active | |
Battery Chemistry | Lithium Ion/Polymer | |
Number of Cells | 1 | |
Current - Charging | Constant - Programmable | |
Programmable Features | - | |
Fault Protection | Over Current, Over Voltage | |
Charge Current - Max | 3A | |
Battery Pack Voltage | 4.2V | |
Voltage - Supply (Max) | 5V | |
Interface | I²C | |
Operating Temperature | -40°C ~ 85°C (TA) | |
Mounting Type | Surface Mount | |
Package / Case | 72-WFBGA, WLBGA | |
Supplier Device Package | 72-WLP |
General Description:
The MAX77818 integrates a high-performance 3A switching
charger and proprietary ModelGauge™ m5 fuel gauge
in a space saving WLP package, ideal for USB powered
portable devices. The smart power path charger supports two inputs with reverse blocking and USB On-theGo (OTG), integrates all power switches, operates at
high-switching frequency with high efficiency, enabling
low heat designs with small external components. The
ModelGauge m5 algorithm combines the excellent shortterm accuracy and linearity of a coulomb counter with
the long-term stability of a voltage-based fuel gauge,
along with temperature compensation to provide industryleading fuel-gauge accuracy. The device also integrates
two high voltage input LDOs and is highly programmable
with I2C interface.
Applications:
● Industrial PCs
● Portable Medical Devices
● Wearable, Smart Watches
● Handheld Devices
● Wireless Speakers
● Bluetooth Headsets
● Smart Home Automation, Sensors
● Internet of Things (IoT)