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RT1652

更新时间： 2024-01-18 19:07:42
品牌 Logo 应用领域
立锜 - RICHTEK 电池PC
页数 文件大小 规格书
24页 1807K
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RT1652 技术参数

Status：ActiveVrect (min) (V)：2.7
Vrect (max) (V)：14.5Vout (min) (V)：4.95
Vout (max) (V)：5.05Iout (max) (A)：1
Power Rating (W)：5Battery Charging Function：Yes
Compliance：WPCComplianceVer：1.2
Features：Adjustable Current Limit;Power GoodPackage Type：WL-CSP2.8x2.6-36(BSC)

RT1652 数据手册

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RT1652  
Dual Mode (WPC and PMA) 5W Wireless Power Receiver  
and Battery Charger  
General Description  
Features  
Wireless Power Receiver Compliant  
The RT1652 is a wireless power receiver compliant  
with WPC Low Power v1.2 and PMA v2.00 standard.  
The RT1652 integrates a synchronous full-bridge  
rectifier, a low dropout regulator, and a logic controller  
for control and communication. The device receives AC  
power from a WPC compatible wireless transmitter and  
provides output power up to 5W, which could be used  
as a power supply for a charger of mobile or consumer  
devices. The RT1652 output can also connect to Li+  
battery directly, the direct charge mode features on  
running battery charger profile (PreCharge/CC/CV), to  
simplify the charging function design and improve the  
overall charging efficiency.  
WPC Low Power v1.2  
PMA v2.00  
Battery Charger  
Programmable 3V to 12V Out Regulation  
Voltage  
Integrated Synchronous Rectifier Switch  
Support Output Power Up to 5W  
High Rectifier Efficiency Up to 96%  
High System Efficiency Up to 80%  
Programmable Loading for Synchronous  
Rectifier Operation  
The logic controller can support bi-direction channel  
communication including amplitude shift keying (ASK)  
modulation for power signal to the transmitter. The  
RT1652 provides Foreign Object Detection (FOD)  
function to meet the requirement after WPC V1.2. It  
communicates with the transmitter for the received  
power to determine if a foreign object is present within  
the magnetic interface. This provides a higher level of  
safety.  
Programmable Dynamic Rectifier Voltage  
Control for Optimized Transient Response and  
Power Efficiency  
Highly Accurate Received Power Calculation for  
FOD Function  
12-bit ADC for Voltage/Current Measurement  
Coil Power Loss Modeling for Optimized  
Compensation  
Adaptive Power Offset Compensation  
Embedded Logic Controller  
The RT1652 provides a programmable dynamic  
rectifier voltage control function to improve power  
efficiency, a programmable power management control  
for maximum power delivery, a programmable current  
limit for suitable load setting, a programmable  
temperature setting with external NTC for  
thermoregulation, and proper protection functions such  
as UVLO, OVP, and OTP.  
272B MTP for Programmable  
Support Bi-direction Channel Communication  
ASK Modulation for Power Signal to Wireless  
Power Transmitter  
Programmable Temperature Control  
Programmable Charge Status Packet (0x05)  
Support Alignment with Transmitter  
Support Enable, Charge Complete and Fault  
Control Inputs  
Applications  
Cell Phones, Smart Phones, and Headsets  
Wireless Power Embedded Battery Packs  
Portable Media Players  
Receiver Controlled EPT Packet  
Over-Current Limit  
Over-Voltage Protection  
Hand-held Devices  
Thermal Shutdown  
Wearable Devices  
CSP 2.8mm x 2.6mm 36B (Pitch = 0.4mm)  
Low Profile (0.5mm Max.)  
Copyright © 2018 Richtek Technology Corporation. All rights reserved.  
is a registered trademark of Richtek Technology Corporation.  
DS1652-00 January 2018  
www.richtek.com  
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