HA16158P/FP
PFC & PWM Control IC
ADE-204-072 (Z)
Rev.0
Aug. 2002
Description
The HA16158 is a power supply controller IC combining an AC-DC converter switching controller for
power factor correction and an off-line power supply switching controller. The PFC (power factor
correction) section employs average current mode PWM and the off-line power supply control section
employs peak current mode PWM.
The HA16158 allows the operating frequency to be varied with a single timing resistance, enabling it to be
used for a variety of applications.
The PFC operation can be turned on and off by an external control signal. Use of this on/off function
makes it possible to disable PFC operation at a low line voltage, or to perform remote control operation
from the transformer secondary side.
The PWM controller includes a power-saving function that reduces the operating frequency to a maximum
of 1/64 in the standby state, greatly decreasing switching loss.
The PFC section and PWM section are each provided with a soft start control pin, enabling a soft start time
to be set easily.
Features
<Maximum Ratings>
Supply voltage Vcc: 24 V
Operating junction temperature Tjopr: 40C to +125C
<Electrical Characteristics>
VREF output voltage VREF: 5.0 V 2%
UVLO start threshold VH: 16.0 V 1.0 V
UVLO shutdown threshold VL: 10.0 V 0.6 V
PFC output maximum duty cycle Dmax-pfc: 95% typ.
PWM output maximum duty cycle Dmax-pwm: 45% typ.
<Functions>
Synchronized PFC and PWM timing
PFC function on/off control
PWM power-saving function (frequency reduced to maximum of 1/64)
PWM overvoltage latch protection circuit
Soft start control circuits for both PFC and PWM
Package lineup: SOP-16/DILP-16
HA16158P/FP
Rev.0, Aug. 2002, page 2 of 23
Pin Arrangement
(Top view)
1
2
3
4
5
6
7
8
PWM-CS
PWM-COMP
PWM-SS
PFC-SS
PFC-EO
PFC-FB
IAC
RT
16
15
14
13
12
11
10
9
GND
PWM-OUT
PFC-OUT
VCC
PFC-ON
VREF
CAO
PFC-CS
Pin Functions
Pin No.
Pin Name
Pin Function
1 GND
Ground
2
PWM-OUT
Power MOS FET driver output (PWM control)
3
PFC-OUT
Power MOS FET driver output (PFC control)
4 VCC
Supply
voltage
5
PFC-ON
PFC function on/off signal input
6 VREF
Reference
voltage
7
CAO
Average current control error amplifier output
8
PFC-CS
PFC control current sense signal input
9
RT
Operating frequency setting timing resistance connection
10
IAC
Multiplier reference current input
11
PFC-FB
PFC control error amplifier input
12
PFC-EO
PFC control error amplifier output
13
PFC-SS
PFC control soft start time setting capacitance connection
14
PWM-SS
PWM control soft start time setting capacitance connection
15
PWM-COMP
PWM control voltage feedback
16
PWM-CS
PWM control current sense signal input
HA16158P/FP
Rev.0, Aug. 2002, page 3 of 23
Block Diagram
12
8
10
PFC-
EO
Multiplier
UVLO
Gain
Selector
1
15
GND
IAC
PFC-CS
RT
CAO
9
4
VCC
7
Oscillator
Oscillator
VREF
Oscillator
Oscillator
PFC-FB
f/64 Divider
PWM Control
LOGIC
VREF
GOOD
PFC Control
LOGIC
11
PFC-
FB
VTH: 2.80V
VTL : 2.60V
VTH: 3.80V
VTL : 3.40V
2.5V
PFC-OVP
PFC ON/OFF
V-AMP
C-AMP
C-LIMIT
PFC-CLK
(PWM-CLK/2)
1.0A
0.25V 0.5V
Rmo
3.3k
5
PFC-
ON
VTH: 1.50V
VTL : 1.20V
VTH: 2.40V
VTL : 1.50V
16
VREF
6
VREF
3
PFC-
OUT
PWM-
CS
14
PWM-
SS
PWM-
COMP
OVP Latch
Vref
Vref
3.5V
VREF
VREF
25
25
1.0A
2
PWM-
OUT
1.7V
1.4V
2RA
RA
1V
4.0V
PFC-FB
B+
supervisor
13
PFC-
SS
HA16158P/FP
Rev.0, Aug. 2002, page 4 of 23
Absolute Maximum Ratings
(Ta = 25C)
Item Symbol
Ratings
Unit
Note
Power supply voltage
Vcc
24
V
PFC-OUT output current (peak)
Ipk-out1
1.0
A
3
PWM-OUT output current (peak)
Ipk-out2
1.0
A
3
PFC-OUT output current (DC)
Idc-out1
0.1
A
PWM-OUT output current (DC)
Idc-out2
0.1
A
Vi-group1
0.3 to Vcc
V
4
Pin voltage
Vi-group2
0.3 to Vref
V
5
CAO pin voltage
Vcao
0.3 to Veoh-ca
V
PFC-EO pin voltage
Vpfc-eo
0.3 to Veoh-pfc
V
PFC-ON pin voltage
Vpfc-on
0.3 to 7
V
RT pin current
Irt
50
A
IAC pin current
Iiac
1
mA
PFC-CS pin voltage
Vi-cs
1.5 to 0.3
V
VREF pin current
Io-ref
20 mA
VREF pin voltage
Vref
0.3 to Vref
V
Operating junction temperature
Tj-opr
40 to +125
C 6
Storage temperature
Tstg
55 to +150
C
Notes: 1. Rated voltages are with reference to the GND (SGND, PGND) pin.
2. For rated currents, inflow to the IC is indicated by (+), and outflow by ().
3. Shows the transient current when driving a capacitive load.
4. Group1 is the rated voltage for the following pins:
PFC-OUT, PWM-OUT
5. Group2 is the rated voltage for the following pins:
PFC-FB, PWM-CS, PWM-COMP, IAC, PFC-SS, PWM-SS, RT
6.
HA16158P
(DILP):
ja = 120C/W
HA16158FP (SOP):
ja = 120C/W
This value is based on actual measurements on a 10% wiring density
glass epoxy circuit board (40 mm
40 mm 1.6 mm).
HA16158P/FP
Rev.0, Aug. 2002, page 5 of 23
Electrical Characteristics
(Ta = 25C, Vcc = 12 V, RT = 200 k
)
Item
Symbol
Min
Typ
Max
Unit
Test
Conditions
Start
threshold
VH
15.0 16.0 17.0 V
Shutdown threshold
VL
9.4
10.0
10.6
V
UVLO hysteresis
dV
UVL
5.2 6.0 6.8 V
Start-up
current
Is
160 220 280
A
Vcc = 14.8V
Is temperature stability
dIs/dTa
--
0.3
-- %/C *
1
Operating current
Icc
5.5
7.0
8.5
mA
IAC = 0A, CL = 0F
Shunt zenner voltage
Vz
25.5
27.5
29.5
V
Icc = 14mA
Vz temperature stability
dVz/dTa
--
4
-- mV/C
Icc = 14mA *
1
Supply
Latch
current
ILATCH 180 250 320
A
Vcc = 9V
Output
voltage
Vref
4.9 5.0 5.1 V
Isource
=
1mA
Line regulation
Vref-line
--
5
20
mV
Isource = 1mA,
Vcc = 12V to 23V
Load regulation
Vref-load
--
5
20
mV
Isource = 1mA to 20mA
VREF
Temperature stability
dVref
-- 80 -- ppm/C Ta
=
40 to 125C *1
fpwm
117 130 143 kHz
Measured
pin:
PWM-OUT
Initial accuracy
fpfc 58.5
65
71.5
kHz
Measured
pin:
PFC-OUT
fpwm temperature stability
dfpwm/dTa
-- 0.1
-- %/C Ta
=
40 to 125C *
1
fpwm voltage stability
fpwm(line)
1.5
+0.5
+1.5
%
VCC = 12V to 18V
Ramp peak voltage
Vramp-H
-- 3.6 4.0 V
PFC
*
1
Ramp valley voltage
Vramp-L
-- 0.65
-- V
PFC
*
1
CT peak voltage
Vct-H
-- 3.2 -- V
PWM
*
1
CT valley voltage
Vct-L
1.50
1.60
-- V
PWM
*
1
Oscillator
RT voltage
Vrt
0.85
1.00
1.15
V
Measured pin: RT
PFC
on
voltage
Von-pfc 1.4 1.5 1.6 V
PFC
off
voltage
Voff-pfc 1.1 1.2 1.3 V
PFC on-off hysteresis
dVon-off
0.2
0.3
0.4
V
Input current
Ipfc-on
-- 0.1 1.0
A
PFC-ON = 2V
PFC OVP set voltage
Vovps-pfc
2.65 2.80 2.95 V
Input
pin:
PFC-FB
PFC OVP reset voltage
Vovpr-pfc
2.45
2.60
2.75
V
Input pin: PFC-FB
PFC OVP hysteresis
dVovp
0.10
0.20
0.30
V
B+
good
voltage
Vb-good 2.25 2.40 2.55 V
Measured
pin:
PFC-FB
Supervisor
B+ fail voltage
Vb-fail
1.4
1.5
1.6
V
Measured pin: PFC-FB
Latch
threshold
voltage
Vlatch
3.76 4.00 4.24 V
Input
pin:
PWM-SS
OVP latch
Latch reset voltage
Vcc-res
6.1
7.1
8.1
V
Power saving on
voltage
Von-save 1.53 1.70 1.87 V
Measured
pin:
PWM-COMP
Power
saving
for PWM
Minimum frequency
at light load
fpwm-min
-- 2 --
kHz
PWM-COMP = 1.5V
Measured pin: PWM-OUT *
1
Note: 1. Reference values for design.
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