MM1646XH
Features
1. 5ch motor driver in one package. 2. Small package ensures heat loss of 2.2W. 3. Built-in short brake (spindle). 4. Built-in thermal shutdown function.
Package
HSOP-28D
Applications
1. for DVD players 2. for DVD miniponent
Pin Assignment
1 2 3 4 5 6 7 8 9 10 11 12 13 14 PS VBIAS VIN1 VIN2+ VIN2VO2 Pre VCC1 Power VCC1 Power VCC2 Power GND1 OUT2OUT2+ OUT1OUT1+ 15 16 17 18 19 20 21 22 23 24 25 26 27 28 OUT4+ OUT4OUT3+ OUT3OUTL+ OUTLPower GND2 Pre VCC2 VIN3 VIN4 Pre GND VINLOVINLO+ SB
28 27 26 25 24 23 22
21 20 19 18 17 16 15
1 2 3 4 5 6 7
8 9 10 11 12 13 14
HSOP-28D (TOP VIEW) http://..
MITSUMI
5ch Motor Driver MM1646XH
Block Diagram
Spindle Motor Short Brake 1 Power Save Control circuit 7.2k 7.8k 7.2k 3 7.8k 4 Pre GND 25 26 28
6 Pre VCC1 10k 10k Pre VCC2
35k 10k 8 Power VCC1 25k 9 Power VCC2 Power GND1 TSD
35k 10k Power GND2 15k 20
X2
X2
Sled Driver Level Shift
Spindle Driver Level...
