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◆ Separating power of Vcc1 and Vcc2 is to improve power efficiency by a low supply voltage for tracking,
focus, and spindle.
◆ Level shift circuit built-in.
◆ Thermal shut down circuit built-in.
◆ Mute mode built-in.
◆ Dual actuator drivers:
A general purpose input OP provides differential input for signal addition. The output structure is two
power OPAMPS in bridge configuration.
◆ Sled motor driver:A general purpose input OP provides differential input for signal addition. The output
structure is one power OPAMP in bridge configuration.
◆ Spindle driver:Single input linear BTL driver. The output structure are two power OPAMPS in bridge
configuration.
◆ Tray in-out driver:The DC motor driver supports forward/reverse control for tray motor.
◆ 2 Built-in regulator controllers: Adjustable range 1.5V ~ 4V
3. PIN DESCRIPTION
PIN Symbol I/O Description
1 VINFC I Input for focus drive
2 TRB_1 O Connect to external transistor base
3 REGO2 O Regulator voltage output, connect to external transistor collector
4 VINSL I Input for the sled driver
5 REGO1 O Regulator voltage output, connect to external transistor collector
6 FWD I Tray driver forward input
7 REV I Tray driver reverse input
8 VCC1 I Vcc for pre-drive block and power block of sled and tray
9 VOTR- O Tray driver output (-)
10 VOTR+ O Tray driver output (+)
11 VOSL+ O Sled driver output (+)
12 VOSL- O Sled driver output (-)
13 VOFC- O Focus driver output (-)
14 VOFC+ O Focus driver output (+)
15 VOTK+ O Tracking driver output (+)
16 VOTK- O Tracking driver output (-)
17 VOLD+ O Spindle driver output (+)
18 VOLD- O Spindle driver output (-)
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