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TPD4112K
2006-06-30
1

TOSHIBA Intelligent Power Device High Voltage Monolithic Silicon Power IC
TPD4112K





The TPD4112K is a DC brushless motor driver using
high-voltage PWM control. It is fabricated using a high-voltage
SOI process.
The device contains a bootstrap circuit, PWM circuit, 3-phase
decode logic, level shift high-side driver, low-side driver, IGBT
outputs, FRDs, over-current and under-voltage protection circuits,
and a thermal shutdown circuit.
It is easy to control a DC brush less motor by applying a signal
from a motor controller and a Hall amp/ Hall IC to the
TPD41112K.

Features
Bootstrap circuit gives simple high-side supply.
Bootstrap diode is built in.
PWM and 3-phase decoder circuit are built in.
3-phase bridge output using IGBTs.
Outputs Rotation pulse signals.
FRDs are built in.
Incorporating over-current and

under-voltage protection, and
thermal shutdown.
Package: 23-pin HZIP.
Compatible with Hall amp input and Hall IC input.

This product has a MOS structure and is sensitive to
electrostatic discharge. When handling this product, ensure that
the environment is protected against electrostatic discharge.








Weight
HZIP23-P-1.27F : 6.1 g (typ.)
HZIP23-P-1.27G : 6.1 g (typ.)
HZIP23-P-1.27H : 6.1 g (typ.)
TPD4112K
2006-06-30
2
Pin Assignment


















Marking


TPD4112K
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
JAPAN
Part No. (or abbreviation code)
V
S
OS R
REF
GND V
REG

IS1 U BSU V
BB
1
V
BSV
W BSW V
BB
2 IS2
HU+ HU- HV+ HV- HW+ HW-
FG
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 21 22
23
TPD4112K
2006-06-30
3
Block Diagram


Low-side
driver
PWM
3-phase
distribution
logic
Thermal
shutdown
Over-current
protection
Level shift
high-side
driver
Triangular
wave
Under-voltage
Protect-ion
6 V
regulator
V
CC
V
REG

HU+
HV+
HW+
FG
V
S

OS
R
REF
IS2
IS1
GND
V
BB
1
V
BB
2
U
V
W
6
5
18
19
20
21
22
1
2
3
9
14
10
15
8
12
13
16
7
4
BSU
23
17
BSV
BSW

Hall

Amp

11
HU
HV
HW
Under-
voltage
protect-
ion
Under-
voltage
protect-
ion
Under-
voltage
protect-
ion
TPD4112K
2006-06-30
4
Pin Description
Pin No.
Symbol
Pin Description
1 V
S

Speed control signal input pin. (PWM reference voltage input pin)
2
OS
PWM triangular wave oscillation frequency setup pin (Connect a capacitor to this pin.)
3 R
REF

PWM triangular wave oscillation frequency setup pin (Connect a resistor to this pin.)
4 GND
Ground
pin
5 V
REG

6 V regulator output pin
6 V
CC

Control power supply pin
7
IS1
IGBT emitter/FRD anode pin
8
U
U-phase output pin
9
BUS
U-phase bootstrap capacitor connecting pin
10 V
BB
1
U and V-phase high-voltage power supply input pin
11
BSV
V-phase bootstrap capacitor connecting pin
12
V
V-phase output pin
13
W
W-phase high-voltage power supply input pin
14
BSW
W-phase bootstrap capacitor connecting pin
15 V
BB
2
W-phase high-voltage power supply input pin
16
IS2
IGBT emitter/FRD anode pin
17
FG
Rotation pulse output pin. (open drain)
18
HU+
U-phase Hall sensor signal input pin (Hall IC can be used.)
19
HU-
U-phase Hall sensor signal input pin (Hall IC can be used.)
20
HV+
V-phase Hall sensor signal input pin (Hall IC can be used.)
21
HV-
V-phase Hall sensor signal input pin (Hall IC can be used.)
22
HW+
W-phase Hall sensor signal input pin (Hall IC can be used.)
23
HW-
W-phase Hall sensor signal input pin (Hall IC can be used.)
TPD4112K
2006-06-30
5
Equivalent Circuit of Input Pins
Internal circuit diagram of HU+, HU-, HV+, HV-, HW+, HW- input pins










Internal circuit diagram of V
S
pin













Internal circuit diagram of FG pin













V
CC

HU+, HU-,
HV+, HV-,
HW+, HW-,
10 k
2 k
13 V
13 V
To internal circuit
FG
26 V
To internal circuit
V
CC
V
S
6.5 V
150 k
6.5 V
To internal circuit
75 k
TPD4112K
2006-06-30
6
Timing Chart


* : Hall input logic high (H) refers to IN+>IN.

Truth Table
Hall amp Input
U Phase
V Phase
W Phase

HU HV HW
Upper
Arm
Lower
Arm
Upper
Arm
Lower
Arm
Upper
Arm
Lower
Arm
FG

H L H ON OFF OFF ON OFF OFF L
H
L
L ON OFF OFF OFF OFF ON H
H
H
L OFF OFF ON OFF OFF ON L
L H L
OFF
ON
ON
OFF
OFF
OFF
H
L H H OFF ON OFF OFF ON OFF L
L L H OFF
OFF
OFF ON ON OFF H
L
L
L OFF OFF OFF OFF OFF OFF L
H
H
H OFF OFF OFF OFF OFF OFF L

* : Hall input logic high (H) refers to IN+>IN.
HU
HV
HW
VU
VV
VW
FG
Output voltage
Hall amp
input

Rotation pulse
TPD4112K
2006-06-30
7
Absolute Maximum Ratings
(Ta
=
25°C)

Characteristics Symbol
Rating
Unit
V
BB
500 V
Power supply voltage
V
CC
20 V
Output current (DC)
I
out
1
A
Output current (pulse)
I
out
2
A
Input voltage (except VS)
V
IN
0.5 to V
REG

+
0.5
V
Input voltage (only VS)
VV
S
8.2 V
V
REG

current I
REG
50
mA
Power dissipation (Ta
=
25°C)
P
C
4
W
Power dissipation (Tc
=
25°C)
P
C
20
W
Operating junction temperature
T
jopr
20 to 135
°C
Junction temperature
T
j
150
°C
Storage temperature
T
stg
55 to 150

°C
Lead-heat sink isolation voltage
Vhs
1000 (1 min)
Vrms


TPD4112K
2006-06-30
8
Electrical Characteristics
(Ta
=
25°C)

Characteristics Symbol Test
Condition Min
Typ.
Max
Unit
V
BB
50 400
Operating power supply voltage
V
CC
13.5
15
17.5
V
I
BB

V
BB

=
400 V
Duty cycle
=
0% 0.5
I
CC

V
CC

=
15 V
Duty cycle
=
0% 1.8 10
I
BS (ON)

V
BS

=
15 V, high side ON 210 470
Current dissipation
I
BS (OFF)

V
BS

=
15V, high side OFF 200 415
mA
Hall amp input sensitivity
VHSENS(HA) 50 mvp-p
Hall amp input current
IHB(HA) -2
0
2
µ
A
Hall amp common input voltage
CMVIN(HA)

0

8 V

Hall amp hysteresis width VIN(HA)

20 30 50
Hall amp input voltage L H VLH(HA)

5 15 25
Hall amp input voltage H L VHL(HA)

-25

-15

-5
mV
V
CEsat
H V
CC

=
15 V, IC
=
0.5 A 2.3 3.0
Output saturation voltage
V
Cesat
L V
CC

=
15 V, IC
=
0.5 A 2.3 3.0 V
V
F
H IF
=
0.5 A, high side 1.4 2.1
FRD forward voltage
V
F
L IF
=
0.5 A, low side 1.4 1.8 V
FRD forward voltage
V
F (BSD)
IF
=
500
µ
A

0.8 1.2 V
PWMMIN 0
PWM ON-duty cycle
PWMMAX 100
%
PWM ON-duty cycle, 0%
VV
S
0% PWM
=

0%
1.7 2.1 2.5 V
PWM ON-duty cycle, 100%
VV
S
100% PWM
=

100%
4.9 5.4 6.1 V
PWM ON-duty voltage range
VV
S
W VV
S
100% VV
S
0%
2.8 3.3 3.8 V
Output all-OFF voltage
VV
S
OFF
Output all OFF
1.1
1.3
1.5
V
Regulator voltage
V
REG

V
CC

=
15 V, I
O

=
30 mA
5
6
7
V
Speed control voltage range
V
S
0 6.5 V
FG output saturation voltage
VFGsat
V
CC

=
15 V, IFG
=
20 mA 0.5 V
Current control voltage
V
R

0.46 0.5 0.54
V
Thermal shutdown temperature
TSD 135 185
°C
Thermal shutdown hysteresis TSD 50 °C
V
CC
under-voltage protection
V
CC
UVD
10 11 12 V
V
CC
under-voltage protection recovery
V
CC
UVR
10.5 11.5 12.5
V
V
BS
under-voltage protection
V
BS
UVD 9
10
11
V
V
BS
under-voltage protection recovery
V
BS
UVR 9.5
10.5
11.5
V
Refresh operating ON voltage
T
RFON
Refresh
operation
1.1 1.3 1.5 V
Refresh operating OFF voltage
T
RFOFF

Refresh operation OFF
3.1
3.8
4.6
V
Triangular wave frequency
f
c
R
=
27 k , C
=
1000 pF
16.5
20
25
kHz
Output-on delay time
t
on

V
BB

=
280 V, V
CC

=
15 V, IC
=
0.5 A 2.5 3
µ
s
Output-off delay time
t
off

V
BB

=
280 V, V
CC

=
15 V, IC
=
0.5 A 1.8 3
µ
s
FRD reverse recovery time
t
rr

V
BB

=
280V, V
CC

=
15 V, IC
=
0.5 A 200 ns

TPD4112K
2006-06-30
9
Application Circuit Example