BD8203EFV
⑤ OPAMP for the voltage detection between driver outputs
Technical Note
Vo4+
Vo4-
10kΩ
REG5(5V)
5600Ω
10kΩ
5600Ω
Vc
VSPDL
The voltage difference of Vo4+, Vo4- of the BTL driver for SPDL is detected and it outputs to VSPDL terminal.
VSPDL =
5600
10k
(Vo4- - Vo4+) + Vc
Vo4+, Vo4- [V]
PVCC2-VOHLD
Vo4-
―21 (PVCC2-0.7)V
4.2V 2.95V
VOLLD Vo4+
0V
VSPDL [V]
4V
3.3V
Vc (1.65V)
0.2V
0V
2.59V
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12/21
2010.02 - Rev.A