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TSM101 Datasheet(PDF) 10 Page - STMicroelectronics

Part # TSM101
Description  VOLTAGE AND CURRENT CONTROLLER
PDF  15 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TSM101 Datasheet(HTML) 10 Page - STMicroelectronics

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Figure 6 : Optimized Charging Conditions
charging conditions, then the following calculations
apply :
Current Control :
R5 = V5 / Ich1 = 0.1 / 0.8 = 0.125
R5 = 125m
Ω
V5 = Vref x R3 / (R2 + R3) with R2 + R3 ~ 12k
Ω
and Vref = 1.24V
R3 = 1k
Ω,R2 = 11.4kΩ
V5 = R4 x Io + R5 x Ich2, therefore, R4 = (V5 - R5
x Ich2) / Io with Io = 1.4mA
R4 = 53.6
Ω
Vref = Vl x R15 / (R14 + R15) with Vl = 2.5V and
R14 + R15 ~ 20k
Ω
R15 = R14 = 10k
Ω
Voltage Control :
Vref = Vh x R6 / (R6 + R7) with Vh = 6.5V and
R6 + R7 ~ 12k
Ω
R6 = 2.36k
Ω, R7 = 10kΩ
Vref = Vh R17 / (R16 + R17)
R17 = 10k
Ω, R16 = 42kΩ
TSM101/A
10/15



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