TB62209FG Toshiba, TB62209FG Datasheet - Page 20

• Manufacturer Part Number: TB62209FG
• Manufacturer: Toshiba

Specifications of TB62209FG

• Function: Driver
• Vopmax (vm*): 34V (40V)
• Io (lpeak): 1.5A (1.8A)
• Excitation: 1/16 step
• I/f: CLK input
• Mixed Decay Mode: included
• Package: HSOP36
• Rohs Compatible†: yes

DECAY MODE 0
DECAY MODE 1
DECAY MODE 2
DECAY MODE 3
CR pin
internal
CLK
waveform
12.5%
MIXED
DECAY
MODE
37.5%
MIXED
DECAY
MODE
75%
MIXED
DECAY
MODE
FAST
DECAY
MODE
11. Current Waveform and Setting of Mixed Decay Mode
be set using 2-bit parallel data.
the set current.
capability deteriorates.
At constant current control, in current amplitude (pulsating current) Decay mode, a point from 0 to 3 can
NF is the point where the output current reaches the set current value. RNF is the timing for monitoring
The smaller the MDT value, the smaller the current ripple (peak current value). Note that current decay
100%
NF
NF
Fast mode → RNF: current monitored (when set current value
Charge mode → NF: set current value reached → Slow mode
→ Mixed decay timing → Fast mode → current monitored
(when set current value > output current) Charge mode
Charge mode → NF: set current value reached → Slow mode
Charge mode → NF: set current value reached → Slow mode
→ Mixed decay timing → Fast mode → current monitored
> output current) Charge mode → Fast mode
→ Mixed decay timing → Fast mode → current monitored
(when set current value > output current) Charge mode
(when set current value > output current) Charge mode
MDT
75%
NF
20
50%
f
chop
Set current value
MDT
25%
Set current value
Set current value
Set current value
MDT
TB62209FG
2010-07-02
0
RNF
RNF
RNF
RNF
RNF