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IR21592

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
Features
•
Ballast control and half-bridge driver in one IC
•
Transformer-less lamp power sensing
•
Closed-loop lamp power control
•
Closed-loop preheat current control
•
Programmable preheat time
•
Programmable preheat current
•
Lamp ignition detection
•
Programmable ignition-to-dim time
•
0.5 to 5VDC dimming control input
•
Min and max lamp power adjustments
•
Programmable minimum frequency
•
Internal current sense blanking
Data Sheet No. PD60194 revD
DIMMING BALLAST CONTROL IC
Typical Connection
Description
Description: The IR21592/IR21593 are complete dimming ballast controllers and 600V
half-bridge drivers all in one IC. The architecture includes phase control for trans-
former-less lamp power sensing and regulation which minimizes changes needed to
adapt non-dimming ballasts for dimming. Externally programmable features such as
preheat time and current, ignition-to-dim time, and a complete dimming interface with
minimum and maximum settings provide a high degree of flexibility for the ballast
design engineer. Protection from failure of a lamp to strike, filament failures, thermal
overload, or lamp failure during normal operation, as well as an automatic restart
function, have been included in the design. The heart of this control IC is a voltage-
controlled oscillator with externally programmable minimum frequency. The IR21592/
IR21593 are available in both 16 pin DIP and 16 pin narrow body SOIC packages.
16
15
14
134
3
2
1
5
6
7
11
10
8 9
12
VDC
VCO
IPH
FMIN
MIN
MAX
DIM
CPH
CS
LO
COM
VCC
VB
VS
HO
SD
+ DC Bus
+ Rectified AC Line
- DC Bus
R
MIN
C
PH
C
VCO
R
CS
R
MAX
R
FMIN
R
IPH
0.5 to 5VDC
R
DIM
C
VDC
R
VDC
R
VAC
R
PULL-UP
Single Lamp Dimmable
Packages
16 Lead SOIC
(narrow body)
www.irf.com 1
IR21592
(
S
)
&
(
PbF
)
IR21593
(
S
)
&
(
PbF
)
•
Full lamp fault protection
•
Brown-out protection
•
Automatic restart
•
Micro-power startup
•
Zener clamped Vcc
•
Over-temperature protection
•
16-pin DIP and SOIC package types
16 Lead PDIP
Parameter IR21592 IR21593
  






IR21592/IR21593
(
S
)
&
(
PbF
)
2 www.irf.com
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage
parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal
resistance and power dissipation ratings are measured under board mounted and still air conditions.
Symbol Definition Min. Max. Units
V
B
High side floating supply voltage -0.3 625
V
S
High side floating supply offset voltage V
B
- 25 V
B
+ 25
V
HO
High side floating output voltage V
S
- 0.3 V
B
+ 0.3
V
LO
Low side output voltage -0.3 V
CC
+ 0.3
I
OMAX
Maximum allowable output current (either output) -500 500
due to external power transistor miller effect
V
VCO
Voltage controlled oscillator input voltage -0.3 6.0 V
I
CPH
CPH current -5 5 mA
V
IPH
IPH voltage -0.3 5.5
V
DIM
Dimming control pin input voltage -0.3 5.5
V
MAX
Maximum lamp power setting pin input voltage -0.3 5.5
V
MIN
Minimum lamp power setting pin input voltage -0.3 5.5
V
CS
Current sense input voltage -0.3 5.5
I
SD
Shutdown pin current -5 5
I
CC
Supply current (note 1) — 25
dV/dt Allowable offset voltage slew rate -50 50 V/ns
P
D
Package power dissipation @ T
A
≤ +25°C (16 pin DIP) — 1.60
P
D
=
(T
JMAX
-T
A
)/Rth
JA
(16 pin SOIC) — 1.25
Rth
JA
Thermal resistance, junction to ambient (16 pin DIP) — 75
(16 pin SOIC) — 115
T
J
Junction temperature -55 150
T
S
Storage temperature -55 150
T
L
Lead temperature (soldering, 10 seconds) — 300
V
mA
V
mA
Note 1: This IC contains a zener clamp structure between the chip V
CC
and COM which has a nominal breakdown
voltage of 15.6V (V
CLAMP
). Please note that this supply pin should not be driven by a DC, low impedance
power source greater than the diode clamp voltage (V
CLAMP
) as specified in the Electrical Characteristics
section.
W
o
C
o
C/W
IR21592/IR21593
(
S
)
&
(
PbF
)
www.irf.com 3
Note 2: Enough current should be supplied into the VCC lead to keep the internal 15.6V zener clamp diode on this lead
regulating its voltage, V
CLAMP
.
Note 3: The MAX lead is a voltage-controlled current source. For optimum dim interface current mirror performance,
this current should be kept between 0 and 750µA.
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol Definition Min. Max. Units
V
BS
High side floating supply voltage V
CC
- 0.7 V
CLAMP
V
S
Steady state high side floating supply offset voltage -1 600
V
CC
Supply voltage V
CCUV+
V
CLAMP (15.6)
I
CC
Supply current note 2 10 mA
V
VCO VCO pin voltage
05
V
DIM
DIM pin voltage 0.5 5.0
V
MAX
MAX pin current (note 3) -750 0
µA
V
MIN
MIN pin voltage 1 3
V
BSMIN
Minimum required VBS voltage for proper HO functionality
—
5
R
FMIN
Minimum frequency setting resistance 10 100
kΩ
I
SD
Shutdown pin current -1 1
I
CS
Current sensing pin current -1 1
T
J
Junction temperature -40 125
o
C
V
V
mA
Electrical Characteristics
V
CC
= V
BS
= V
BIAS
= 14V +/- 0.25V, V
CS
= 0.5V, V
SD
= 0.0V, R
FMIN
= 40k, C
VCO
= 10 nF, V
DIM
= 0.0V, R
MAX
= 33k,
R
MIN
= 56k, V
CPH
= 0.0V, C
LO,HO
= 1000pF, T
A
= 25
o
C unless otherwise specified.
Supply Characteristics
V
CCUV+
V
CC
supply undervoltage positive going 12.0 12.5 13.0
threshold
V
CCHYS
V
CC
supply undervoltage lockout hysteresis 1.5 1.6 1.7
I
QCCUV
UVLO mode quiescent current 70 200 330 V
CC
= 10V
I
QCCFLT
Fault-mode quiescent current — 240 — SD=5V, CS=2V, or
Tj > TSD
I
CCFMIN
V
CC
supply current @ FMIN (IR21592) — 5.6 — V
VCO
= 0V
I
CCFMAX
V
CC
supply current @ FMAX (IR21592) — 6.0 — V
VCO
= 5V
I
CCFMIN
V
CC
supply current @ FMIN (IR21593) — 5.4 — V
VCO
= 0V
I
CCFMAX
V
CC
supply current @ FMAX (IR21593) — 6.8 — V
VCO
= 5V
V
CLAMP
V
CC
zener shunt clamp voltage 14.5 15.6 16.5 V I
CC
= 10mA
Symbol Definition Min. Typ. Max. Units Test Conditions
µA
V
mA
V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26

IR21592

Mfr. #:
Buy IR21592
Manufacturer:
Infineon Technologies
Description:
IC CTRLR BALLAST DIMMING 16-DIP
Lifecycle:
New from this manufacturer.
Delivery:
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