uba20270 NXP Semiconductors, uba20270 Datasheet

no-image

uba20270

Manufacturer Part Number
uba20270
Description
600 V Driver Ic For Dimmable Compact Fluorescent Lamps
Manufacturer
NXP Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
uba20270T/N1
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
uba20270T/N1
Quantity:
1 531
1. General description
2. Features and benefits
2.1 Half-bridge features
2.2 Preheat and ignition features
2.3 Lamp boost features
2.4 Dim features
The UBA20270 is a high-voltage power IC intended to control higher powered self
ballasted Compact Fluorescent Lamp (CFL) lighting applications. The UBA20270 is a
controller circuit with advanced features for dimming and has a lamp current controlled
boost feature for boosting cold (amalgam) CFLs.
The controller contains a half-bridge drive function for CFL, a high-voltage level-shift
circuit with integrated bootstrap diode. In addition, the controller contains an oscillator
function, a current control function both for preheat and burn, a timer function and
protection circuits. The UBA20270 is supplied via a dV/dt current charge supply circuit
from the half-bridge circuit.
Remark: Mains voltages noted are AC.
UBA20270
600 V Driver IC for dimmable compact fluorescent lamps
Rev. 2 — 8 September 2011
Integrated high-voltage level-shift function with integrated bootstrap diode
Coil saturation protection during ignition
Adjustable preheat time
Adjustable preheat current
Ignition lamp current detection
Adjustable boost timing
Fixed boost current ratio of 1.5
Gradually boost to burn transition timing
Continuously variable dimming function for standard phase cut dimmers
Natural dimming curve by logarithmic correction
Adjustable Minimum Dimming Level (MDL)
Controlled lamp ON/OFF
Product data sheet

Related parts for uba20270

uba20270 Summary of contents

Page 1

... In addition, the controller contains an oscillator function, a current control function both for preheat and burn, a timer function and protection circuits. The UBA20270 is supplied via a dV/dt current charge supply circuit from the half-bridge circuit. Remark: Mains voltages noted are AC. ...

Page 2

... UBA20270 Product data sheet 600 V Driver IC for dimmable compact fluorescent lamps Description Plastic small outline package; 16 leads; body width 3.9 mm All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Version SOT109-1 © NXP B.V. 2011. All rights reserved ...

Page 3

SUPPLY REFERENCE VOLTAGES 5 V DIGITAL 5 V ANALOG VS LOW RESET 11 CP PREHEAT BOOST TIMER μA 6 μA 60 μA 13 SGND REFERENCE VOLTAGE CONTROLLED OSCILLATOR CURRENT 1. ...

Page 4

... All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 16 GHS 15 HBO SGND UBA20270 DCI 9 CSI 001aam664 © NXP B.V. 2011. All rights reserved ...

Page 5

... This function enables a less sensitive brightness control of the lamp at low dim levels. The UBA20270 is rated maximum continuous rectified mains voltage of 500 V (peak 600 V). The UBA20270 includes all the necessary functions for preheat, ignition, boost, and on-state operation of the lamp ...

Page 6

... Q2) are non-conductive. During power-up, the low voltage supply capacitor on the V start-up resistor. When the voltage on the V state is entered. The UBA20270 enters the reset state when the supply voltage on the V pin drops lower than ...

Page 7

... If no ignition is detected, the frequency decreases further to the minimum half-bridge frequency f over-heating of the application due to lamp damage, the UBA20270 only attempts to ignite the lamp twice after power-up. The ignition attempt counter is incremented when the lamp ignition threshold voltage on the CSI pin is not exceeded at the end of the ignition enabling time ...

Page 8

... Figure 7 shows the boost and burn state in more detail. In the boost state, the . If the temperature (T th(bst)DCI CB Figure 6. All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 nd 2 failed ignition attempt nd 2 preheat POWER DOWN STATE ...

Page 9

... V Boost timing [B]. is lower than V i(DCI) Figure 4 [A]. bridge(min) . bridge(bst)min All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 boost and R a boost time of more than CB ext(RREF) ( 80 C), there is a j(bp)bst ( ...

Page 10

... V < V DCI th(start)DCI th(hys)DCI  drop in supply voltage that is lower than V th(hys)DCI Figure 5 hold state retention time. All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 V > V AND boost i(DCI) th(bst)DCI Boost_ratio = 1 Boost_ratio = 1.5 (3) (4) < ...

Page 11

... The sawtooth frequency is twice the half-bridge frequency. Figure 8 provides an overview of the oscillator signal and driver and GLS GHS no All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Figure More current is drawn during the decreasing > DD(stop) , and the voltage at the CI pin ...

Page 12

... When the timer is not operating, C ext(RREF) Additionally the DCI input voltage must be higher than DD(start). and the voltage on the CP pin must pass V All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 t dch t no time (s) 001aam766 CP ...

Page 13

... The conversion circuit also provides a natural perceived linear brightness The output of the linear to logarithmic conversion circuit is clamp(CSI). ) and an applied external resistor R ext(RREF) All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 ignition enabling time CFL ignition overcurrent ignition fault time ...

Page 14

... V V T(hec1)DCI T(hec2)DCI V th(start)DCI = V = f(V ) i(CSI) LD i(DCI) is injected into the C o(sat)CF All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 internal (1) clamp 100 % V LD 0.8 1.0 1.2 1.4 V i(DCI) V 0.9 T(hec3)DCI resistor. A trigger is SLS level. When saturation is detected, a th(sat)SLS capacitor to shorten the switching cycle of ...

Page 15

... This sink current discharges the capacitor/resistor o(sink)CI . From this point, the IC enters power-down mode. bridge(max) All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 o(CP) the IC enters power-down mode takes about fault(oc) level corresponds with the ...

Page 16

... This condition remains until the IC temperature reduces by 20 C ) and returns to the DCI controlled level. All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 is reached due to capacitive mode bridge(max) supply is internally clamped. The circuit is DD ...

Page 17

... HBO human body model: all pins, except pins 14,15, and 16 pins 14,15, and 16 charged device model: all pins Conditions in free air; SO16 package All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Min Max 30 36 4 +4 40 85 40 +150  ...

Page 18

... CB V rising edge HBO V falling edge HBO C = 100 pF clamp(CI 1 clamp(CI) All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Table 6, all voltages referenced to GND, Min Typ Max 5.7 6.2 6.7 9.6 10.0 10.4 11.9 12.4 12.9 2.2 2.4 2.6 13.0 13.4 13 190 ...

Page 19

... (GLS or GHS HBO All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Table 6, all voltages referenced to GND, Min Typ Max 22.8 21.8 20.8 67.0 60.0 53.0 105 90  ...

Page 20

... CP connected to SGND via 10 k hold state 1.4 V DCI < 80  470 nF 2.35 V; source () and CB sink (+) All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Table 6, all voltages referenced to GND, Min Typ Max 1.3 1.7 2 [3] 0.57 0.60 0.63  ...

Page 21

... V; ignition state > cycle i(SLS) th(sat)SLS clocked V = 1.5 V; ignition state; CF low-side switch = 0.75 V th(det)ign(CSI) square pulse All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Table 6, all voltages referenced to GND, Min Typ Max - 3.6 - 2.3 2.5 2 105 120 135  ...

Page 22

... V minimum voltage set by MDL pin resistor i(CSI i(CSI) MDL All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Table 6, all voltages referenced to GND, Min Typ Max 15 5 [ ...

Page 23

... T T > j(otp) j(otp)hys sink (+); k; ext(RREF 2.0 k MDL 6. All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 Table 6, all voltages referenced to GND, Min Typ Max - 0. 1.34 - 380 400 420 85 95 105 26.3  ...

Page 24

... par  --------------------------- V  max  max o CF All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 = 33 k  max  –  max th CP  V  CP th rel  – 0.6 min ...

Page 25

... CSI C14 Table list of typical application components. See Typical components for a 230 V mains application Component UBA20270 10 220 k 22 k All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 + t dch + t dch  ...

Page 26

... D5 UBA20270 Product data sheet 600 V Driver IC for dimmable compact fluorescent lamps Typical components for a 230 V mains application Component UBA20270 330 k 100 k 1 k 1 k 39 k 33 k 1.2  1 k 8.2  22 nF; 630 V 3.3 nF ...

Page 27

... 0.49 0.25 10.0 4.0 6.2 1.27 0.36 0.19 9.8 3.8 5.8 0.0100 0.019 0.39 0.16 0.244 0.05 0.014 0.0075 0.38 0.15 0.228 REFERENCES JEDEC JEITA MS-012 All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 detail 1.0 0.7 1.05 0.25 0.25 0.4 0.6 0.039 0.028 ...

Page 28

... Minimum Dimming Level OverCurrent Protection OverPower Protection Operational Transconductance Amplifier OverTemperature Protection Root Mean Square Slew Rate UnderVoltage LockOut Voltage Controlled Oscillator All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 © NXP B.V. 2011. All rights reserved ...

Page 29

... NXP Semiconductors 14. Revision history Table 8. Revision history Document ID Release date UBA20270 v.2 20110908 UBA20270 v.1 20110816 UBA20270 Product data sheet 600 V Driver IC for dimmable compact fluorescent lamps Data sheet status Prroduct data sheet Preliminary data sheet All information provided in this document is subject to legal disclaimers. ...

Page 30

... Export control — This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from national authorities. All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 © NXP B.V. 2011. All rights reserved ...

Page 31

... NXP Semiconductors’ product specifications. 15.4 Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. http://www.nxp.com salesaddresses@nxp.com All information provided in this document is subject to legal disclaimers. Rev. 2 — 8 September 2011 UBA20270 © NXP B.V. 2011. All rights reserved ...

Page 32

... Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2011. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com UBA20270 All rights reserved. Date of release: 8 September 2011 Document identifier: UBA20270 ...

Related keywords