tb62217afg TOSHIBA Semiconductor CORPORATION, tb62217afg Datasheet - Page 34

• Manufacturer Part Number: tb62217afg
• Description: Pwm Drive Stepping Motor Driver / Brush Dc Motor Driver Selectable, Dc-dc Converter And Reset Function Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Power Supply Sequence
If the C_SELECT pin is driven mid or high
The 1st DC-DC converter represents channel B, and the 2nd DC-DC converter, channel A or C.
Note: If the C_SELECT pin specifies that all DC-DC converters be off, the ORT reset time is 320 ms.
If serial data specifies DC-DC converters be turned on after the power is turned on (C_SELECT: Low)
10 ms
6 V
DC-DC converter channel A operation start
DC-DC converter channel B operation start
DC-DC converter channel C operation start
20 ms
Channel A protection mask
Channel B protection mask
Channel C protection mask
POR
Internal logic start
1st DC-DC converter operation start
100 ms
100 ms
100 ms
20 ms
2nd DC-DC converter operation start
max 320 ms
100 ms
Protection mask end
34
ORT
Serial data acceptable
10 P s
6 V
Internal logic
1st DC-DC converter
2nd DC-DC converter
Protection mask
ORT
TB62217AFG
POR
2004-11-12