NN32251A-VT View Datasheet(PDF) - Panasonic Corporation
Part Name
Description
Manufacturer
NN32251A-VT
Panasonic Corporation
NN32251A-VT Datasheet PDF : 31 Pages
| |||
Doc No. TA4-EA-06234
Revision. 3
Product Standards
NN32251A
http://www.semicon.panasonic.co.jp/en/
INTEGRATED WIRELESS POWER SUPPLY TRANSMITTER,
Qi (WIRELESS POWER CONSORTIUM) COMPLIANT
FEATURES
DESCRIPTION
Integrated wireless power transmitter controller
WPC Ver. 1.1 ready
MCU embedded
Half-bridge gate driver ： 4ch
(full-bridge gate driver ： 2ch also configurable)
Single-coil (Type A11) supported
Expanded free positioning using multi-coils up to 4 coils
(Type A6)
Highly accurate voltage and current monitor for inverters
Output controlled by frequency or duty, defined in Qi.
ASK demodulation for both current and voltage signals
(Qi compliant)
Input voltage range : VADP, VINV : 4.6 to 19.5V
Supports Under Voltage Lockout , Thermal Shutdown,
Over Current Detection
Short-circuit protection at inverter output
Temperature Detecting Circuit ： 3ch
LED indicator ： 2ch
package ： 64 pins HQFP
(size : 12mm 12mm)
NN32251A is a wireless power system controller IC
which is compliant with Qi version 1.1 of the System
Description Wireless Power Transfer, Volume 1 for Low
Power, defined by Wireless Power Consortium.
NN32251A is a controller IC of a power transmitter (Tx)
which can supply power to any Qi-compliant wireless
chargers.
Power transmission of over 5W is also available with the
combination of AN32258A used for a receiver (Rx) .
APPLICATIONS
・WPC-compliant wireless charger
Wireless Power System
Wireless Power
VIN
NN32251A
Cp
TX
Coil
Cs
Cd
RX
Coil
Transmitter (Tx)
Communication
Established : 2014-01-27
Revised : 2014-03-10
VRECT
OUT
IOUT
Charger
Co
+
AN32258A
Control
IC
Receiver (Rx)
Page 1 of 30
Share Link: