Buck (1.4 @ 1A)


Design files


PMP5211 uses BQ2000 battery charger controller with external CSD25401 P-FET for a high efficiency 1 A charger of a 1 cell NiMH Battery. Top off is enabled and maximum time out is set to 5.7 hours for protection. With a 10k NTC thermistor on the Battery, thermal protection is also provided.

Output voltage options PMP5211.1
Vin (Min) (V) 4.75
Vin (Max) (V) 5.25
Vout (Nom) (V) 1.4
Iout (Max) (A) 1
Output Power (W) 1.4
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Non Sync

Design files & products

Design files

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

SLUR103.PDF (59 K)

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

SLUR104.PDF (64 K)

Detailed schematic diagram for design layout and components

SLURA72.PDF (16 K)

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


Includes TI products in the design and potential alternatives.

Battery charger ICs

BQ2000Switch-mode multi-chemistry battery charger with peak voltagedetection termination

Data sheet document-pdfAcrobat PDF

Technical documentation

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Type Title Date
Test report PMP5211 TEST RESULTS Dec. 16, 2010

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