JVC NX-MD1R Service Manual page 43

BD7910FV (IC450) : Pre driver
1.Block diagram
20 19 18
- + +
Vregin
1 2
2.Pin function
Pin
Symbol
I/O
No.
1
Vreg IN I Regulator input and regulator
power supply
2
Reg GN - Regulator GND
3
NC - Non connect
4
VG I Voltage input for power MOS drive
5
SVCC O EFM high level output voltage
6
PDGND - Pre-driver GND
7
EFM I EFM signal input
8
MUTE I Mute control (Low active)
9
NC O Non conncet
10
NC O Non connect
17 16 15 14
-
VG
Pre driver
SVcc
3 4 5 6
Function
13 12 11
Mute
EFM
7 8 9 10
Pin
Symbol
I/O
No.
-
11
NC
Non connect
O
12
VOD2
Sync.output (Lower power MOS,drain)
-
13
VSS
"H"bridge GND (Lower power MOS,source)
O
14
VOD1
Sync.output (Lower power MOS,drain)
O
15
VOS1
Source output (Upper power MOS,source)
-
16
VDD
"H" bridge power supply terminal
(Upper power MOS,source)
O
17
VOS2
Source output (Upper power MOS,source)
O
18
Reg DRV
External PNP drive output for regulator
O
19
Reg OUT
Reglator output (Emitter follower output)
-
20
Reg NF
Regulator feedbaack terminal
NX-MD1R/NX-MD1
Function
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