tb62300fg TOSHIBA Semiconductor CORPORATION, tb62300fg Datasheet - Page 7

• Manufacturer Part Number: tb62300fg
• Description: Dual Full-bridge Driver For Dc Motor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

IC State for Each Function
Serial Input Signals
Notes on TBlank Setting
Order of data
Strobe
Data
Clock
Register
SLEEP
ENABLE
POR
ISD
TSD
input
Function
When using PWM control and serial control simultaneously, constant-current chopping may be disabled
depending on the TBlank setting. Using constant-current chopping requires the following phase width in
Fast Decay mode:
D15
Data Bit
A15
10
11
12
13
14
15
Internal Logic
0
1
2
3
4
5
6
7
8
9
Maintained
D14 D13
(TBlank setting + 2/fcr) × 2
Reset
Reset
Reset
Reset
A14
TBlank 0
TBlank 1
TBlank 2
Torque 0
Torque 1
Decay mode 0
Decay mode 1
Current 0
Current 1
Current 2
Current 3
Current 4
Phase
A13
D12 D11
Name
Output
⎯
⎯
⎯
A12
OFF
OFF
OFF
OFF
OFF
A11
D10
Charge Pump
Set blanking time to prevent
false detection due to noise
Set current range
Set decay mode
Set current
Switch phase
Operating
A10
OFF
OFF
OFF
OFF
D9
A9
Function
D8
⎯
⎯
⎯
A8
7
Operating
D7
OSC
OFF
OFF
OFF
OFF
A7
D6
A6
D5
t
N/A
t
t
t
ONG
ONG
ONG
ONG
Value
Initial
A5
⎯
⎯
⎯
0
1
1
0
0
1
0
1
1
1
1
1
0
= 2.0 ms (typ.)/4.0 ms (max)
= 2.0 ms (typ.)/4.0 ms (max)
= 2.0 ms (typ.)/4.0 ms (max)
= 2.0 ms (typ.)/4.0 ms (max)
D4
A4
D3
Mixed decay mode
1 ÷ fchop ÷ 16 × 7
A3
Recovery Time
Initial State
Negative
(37.5%)
D2
100%
25%
⎯
⎯
⎯
A2
D1
A1
TB62300FG
D0
2005-04-04
When PWM is
A0
Operating
Disabled
Disabled
Enabled
Enabled
Enabled
⎯
⎯
⎯