Contactless Charger 30mA Single Li-Ion


Design files


Complete wireless charger set for small Li-Ion battery charging system. The nominal output curent is 30mA on a single cell battery, while the intput comes from an USB source.

Output voltage options PMP4651.1
Vin (Min) (V) 4.5
Vin (Max) (V) 5.5
Vout (Nom) (V) 4.2
Iout (Max) (A) .03
Output Power (W) .126
Isolated/Non-Isolated Isolated
Input Type DC
Topology Flyback- Non Sync^Linear Regulator

Design files & products

Design files

Download ready-to-use system files to speed your design process.

SCEU004.PDF (256 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

SCER002.PDF (76 K)

Detailed schematic diagram for design layout and components

SCER003.PDF (29 K)

Complete listing of design components, reference designators, and manufacturers/part numbers


Includes TI products in the design and potential alternatives.

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Technical documentation

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Type Title Date
Test report PMP4651 Test Results Nov. 02, 2011

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