WLC1150
Wireless charging IC (WLC) - Transmitter
50W with integrated USB Type-C PD
controller
General description
WLC1150 is a highly integrated wireless power transmitter, ideal for 50W charging applications. The IC works in
Infineon high power proprietary protocol mode to deliver 50W power. WLC1150 offers a cost-effective solution
for various applications up to 50W output power, by addressing critical system needs of high-power application,
like thermal, EMI, foreign object detection (FOD), high efficiency and inverter control, and so on.
WLC1150 offers compatibility with various types of input configurations to address wide range of high-power
applications. WLC1150 supports systems with input power supplied by either USB PD/PPS or fixed input from DC
power supply. The IC supports these input configurations, without requiring a front-end DC-DC converter and this
helps in achieving significant system efficiency gain, which is an important performance aspect of high-power
system. WLC1150 offers many programmable features for creating distinct wireless transmitter solutions.
WLC1150 is a highly programmable wireless power transmitter with an on-chip 32-bit Arm® Cortex®-M0
processor, 128 KB flash, 16 KB RAM, and 32 KB ROM. The device also includes various analog and digital
peripherals such as ADC, PWMs, and timers. The inclusion of a fully programmable MCU with analog and digital
peripherals enable scalable wireless charging solutions.
Features
DC Input/
Power Supply
PVIN_0
USB Type‐C
Receptacle
• 50W wireless power transfer using proprietary
protocol
Q5
CVIN
L1
VBRG/VFAN
C1
Q6
• Enables Qi v1.3.x compliant extended power profile
(EPP) and basic power profile (BPP) transmitter
(MP-A2 and similar)[1]
VBRG
CSPO
PVIN_0
RSNS
CSNO
• Integrated gate drivers for inverter
PWM_OUT
Cinv
PWM
Logic
Circuit
Q1
PWM_IN1
PWM_IN2
HG1_1
SW1_1
• Inverter control using frequency, duty-cycle, and
variable voltage
Q2
CZVS1
Tx Coil
LG1_1
WLC1150-68LQXQ/T
VDDD
CVDDD
• Integrated buck controller for fan that enables
cooling of interface surface during high power
delivery.
Q3
Q4
Cp
HG2_1
SW2_1
VCCD
CZVS2
LG2_1
CVCCD
GPIOs
ASK_DEMOD
• Integrated FOD
ASK Demod
filters
LED(s)
DEMOD
• Supports various input configuration i.e.
USB PD/ PPS, fixed DC input of 20V without requiring
an additional DC-DC converter.
• Integrated USB-PD controller
- Supports latest USB-PD 3.1 version
- Programmable power supply (PPS) mode
- Support for USB PD legacy charging protocols like
QC 2.0/ 3.0 and AFC
• Supports wide input voltage range: 4.5 V to 24 V with
integrated buck-boost controller
• Communication ports: I2C, UART
Note
1. Customers might require a license to use the QC2.0/3.0, AFC and Qi protocols. For any other legacy charging protocol
support, contact your local Infineon sales representative.
Datasheet
www.infineon.com
Please read the Important Notice and Warnings at the end of this document
page 1
002-36311 Rev. *B
2023-07-21
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