TB62206FG Toshiba, TB62206FG Datasheet - Page 11

• Manufacturer Part Number: TB62206FG
• Manufacturer: Toshiba

Specifications of TB62206FG

• Function: Driver
• Vopmax (vm*): 35V (40V)
• Io (lpeak): 1.5A (1.8A)
• Excitation: 1/2 step
• I/f: phase input (2-bit/phase)
• Mixed Decay Mode: included
• Package: HSOP20
• Rohs Compatible†: yes

Output Transistor Operating Mode
Output Transistor Operation Functions
In this IC, three modes as shown above are automatically switched to control the constant current.
OFF
ON
L1
U1
Note: The above table is an example where current flows in the direction of the arrows in the above figures.
CHARGE
CHARGE
SLOW
SLOW
FAST
FAST
When the current flows in the opposite direction of the arrows, see the table below.
Charge mode
R
Current flows
into the coil.
RS
R
(Note)
Load
S
V
M
pin
PGND
OFF
OFF
OFF
OFF
ON
ON
U1
U1
OFF
U2
ON
L2
OFF
ON
L1
U1
OFF
OFF
OFF
OFF
ON
ON
U2
U2
Current flows between
the coil and the IC.
R
Slow mode
RS
R
(Note)
Load
V
S
M
11
pin
PGND
OFF
OFF
ON
ON
ON
ON
L1
L1
L2
OFF
U2
ON
OFF
OFF
ON
ON
ON
ON
L2
L2
OFF
ON
L1
U1
The energy in the coil flows
back to the power supply.
Fast mode
R
(Note)
Load
S
V
pin
TB62206FG
M
R
PGND
RS
2011-02-10
OFF
U2
ON
L2