MAX77950EWW+ by Analog Devices

WPC/PMA Dual Mode Wireless Power Receiver


The MAX77950 is an advanced wireless power receiver IC that meets the specification requirements for WPC low-power (v1.2) and PMA SR1 (v2.0) communication protocols. This device operates using near-field magnetic induction when coupled with a WPC or PMA transmitter and provides output power up to 12 watts. The IC has precision output current and voltage-sensing scheme over the entire load range. It enables accurate received power packets, as defined in the WPC specifications for best foreign object detection (FOD). The IC supports FSK demodulation to receive PMA advertisement ID as well as WPC FSK packets. The IC features the patent-pending PeerPower™ function. In PeerPower mode, the IC operates as a transmitter, enabling power transfer to another peer device through in-band ASK communications. The MAX77950 communicates with an application processor through an I2C serial interface. The status of power transfer and alerts are read through this interface. Design Solution: Let Your Smartphone Power Your Smartwatch Wirelessly ›

Where to Buy

Prices starting from US$2.83

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Features

WPC/PMA Dual Mode Wireless Power Receiver
Compliant with WPC Low Power (v1.2) and PMA SR1 (v2.0)
Peer-to-Peer Power Transmission with In-Band ASK Communications
WPC ASK Demodulator/FSK Demodulator
Output Programmable Range from 3.5V to 12.7V with 100mV Step
Integrated High-Efficiency n-Channel Full-Bridge Synchronous Rectifier
Programmable Foreign Object Detection
Programmable Dynamic Rectifier-Voltage Scaling
Overvoltage, Overcurrent, and Overtemperature Protection

Specifications

Max. ICHG (A) 1.5
Cell Chemistry Li-IonLi-PolymerNiCdNiMH
# NiMH/ NiCd Cells 1
# Lithium Ion Cells 1
Protected VIN (V) (max) 20
Charger (V) 3.65 to 4.7
Oper. Temp. (°C) -40 to +85
Package/Pins WLP/54
BudgetaryPrice (See Notes) 2.18


MAX77950EWW+ Special Function by Analog Devices

WIRELESS POWER RECEIVER WLP-52

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

Specifications

Wireless Charging IC Type Receiver
Wireless Power Standard WPC 1.2 Compliant
Power Level 12W
Operating Temperature Range -40°C to 85°C
IC Package Type WLP
No. of Pins 52Pins
Product Range -
MSL -
SVHC No SVHC (15-Jan-2018)
IC Function Wireless Power Receiver
Operating Temperature Max 85°C
Operating Temperature Min -40°C
RoHS Phthalates Compliant To Be Advised
Supply Voltage Max 20V
Supply Voltage Min 3V

Alternative Descriptions

WPC/PMA Dual Mode Wireless Pow | Analog Devices
WIRELESS POWER RECEIVER, WLP-52 | Farnell

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX77950EWW+ ?

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Is the MAX77950EWW+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX77950EWW+ have stock available?

Authorised distributors including Analog Devices and Farnell have stock available or on a lead time for MAX77950EWW+ .

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