Document
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Preliminary Data Sheet No. PD60169-D
IR2159(S) IR21591(S)
Features
• • • • • • • • • • • •
DIMMING BALLAST CONTROL IC
• • • • • •
Brown-out protection Automatic restart Micro-power startup Zener clamped Vcc Over-temperature protection 16-pin DIP and SOIC package types
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 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 Full lamp fault protection
Parameter Deadtime Frequency Range
IR2159 1.8us See Graph 3
IR21591 1.0us See Graph 4
Description
Description: The IR2159/IR21591 are complete dimming ballast controllers and 600V half-bridge drivers all in one IC. The architecture includes phase control for transformer-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 voltagecontrolled oscillator with externally programmable minimum frequency. The IR2159/ IR21591 are available in both 16 pin DIP and 16 pin narrow body SOIC packages.
Packages
16 Lead SOIC (narrow body)
16 Lead PDIP
Typical Connection
+ Rectified AC Line
+ DC Bus
RVDC CVDC CVCO CPH RDIM 0.5 to 5VDC RMAX RMIN RFMIN RIPH RVAC RPULL-UP
1 16
Single Lamp Dimmable
VDC
HO
2
VCO
VS
15
3
CPH
VB
14
4
DIM
VCC
13
5
MAX
COM
12
6
MIN
LO
11
7
FMIN
CS
10
8
IPH
SD
9
RCS
- DC Bus
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1
IR2159/IR21591 (S)
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
VB VS VHO VLO IOMAX VVCO I CPH VIPH VDIM VMAX VMIN VCS ISD ICC dV/dt PD RthJA TJ TS TL Note 1:
Definition
High side floating supply voltage High side floating supply offset voltage High side floating output voltage Low side output voltage Maximum allowable output current (either output) due to external power transistor miller effect Voltage controlled oscillator input voltage CPH current IPH voltage Dimming control pin input voltage Maximum lamp power setting pin input voltage Minimum lamp power setting pin input voltage Current sense input voltage Shutdown pin current Supply current (note 1) Allowable offset voltage slew rate Package power dissipation @ TA ≤ +25°C PD = (TJMAX-TA)/RthJA Thermal resistance, junction to ambient Junction temperature Storage temperature Lead temperature (soldering, 10 seconds) (16 pin DIP) (16 pin SOIC) (16 pin DIP) (16 pin SOIC)
Min.
-0.3 VB - 25 VS - 0.3 -0.3 -500 -0.3 -5 -0.3 -0.3 -0.3 -0.3 -0.3 -5 — -50 — — — — -55 -55 —
Max.
625 VB + 25 VB + 0.3 VCC + 0.3 500 6.0 5 5.5 5.5 5.5 5.5 5.5 5 25 50 1.60 1.25 75 115 150 150 300
Units
V
mA V mA
V
mA V/ns W
o
C/W
o
C
This IC contains a zener clamp structure between the chip VCC and COM which has a nominal breakdown voltage of 15.6V (VCLAMP). Please note that this supply pin should not be driven by a DC, low impedance power source greater than the diode clamp voltage (VCLAMP) as specified in the Electrical Characteristics section.
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IR2159/IR21591 (S)
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol
VBs VS VCC ICC VVCO VDIM VMAX VMIN RFMIN I SD I CS TJ Note 2: Note 3:
Definition
High side floating supply voltage Steady state high side floating supply offset voltage Supply voltage Supply current VCO pin voltage DIM pin voltage MAX pin current (note 3) MIN pin voltage Minimum frequency setting resistance Shutdown pin current Current sensing pin current Junction temperature
Min.
VCC - 0.7 -1 VCCUV+ note 2 0 0 -750 1 10 -1 -1 -40
Max.
VCLAMP 600 VCLAMP (15.6) 10 5 5 0 3 100 1 1 125
Units
V
mA V
µA
V kΩ mA
o
C
Enough current should be supplied into the VCC lead to keep the internal 15.6V zener clamp diode on this lead regulating its voltage, VCLAMP. 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.
Electrical Characteristics
VCC = VBS = VBIAS = 14V +/- 0.25V, VCS = 0.5V, VSD = 0.0V, RFMIN = 40k, C VCO = 10 nF, VDIM = 0.0V, RMAX = 33k, .