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UBA2015 の電気的特性と機能

UBA2015のメーカーはNXP Semiconductorsです、この部品の機能は「(UBA2015 / UBA2015A / UBA2016A) 600 V fluorescent lamp driver」です。


製品の詳細 ( Datasheet PDF )

部品番号 UBA2015
部品説明 (UBA2015 / UBA2015A / UBA2016A) 600 V fluorescent lamp driver
メーカ NXP Semiconductors
ロゴ NXP Semiconductors ロゴ 




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UBA2015 Datasheet, UBA2015 PDF,ピン配置, 機能
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UBA2016A/15/15A
600 V fluorescent lamp driver with PFC, linear dimming and
boost function
Rev. 3 — 16 November 2011
Product data sheet
1. General description
The UBA2016A/15/15A are high voltage Integrated Circuits (IC) intended to drive
fluorescent lamps with filaments such as Tube Lamps (TL) and Compact Fluorescent
Lamps (CFL) in general lighting applications. The IC comprises a fluorescent lamp control
module, half-bridge driver, built-in critical conduction mode Power Factor Correction
(PFC) controller/driver and several protection mechanisms. The IC drives fluorescent
lamp(s) using a half-bridge circuit made of two MOSFETs with a supply voltage of up to
600 V.
The UBA2016A/15/15A are designed to be supplied by a start-up bleeder resistor and a
dV/dt supply from the half-bridge circuit, or any other auxiliary supply derived from the
half-bridge or the PFC. The supply current of the IC is low. An internal clamp limits the
supply voltage.
2. Features and benefits
Power factor correction features:
Integrated 4-pin critical conduction mode PFC controller/driver
Open and short pin-short protection on PFC feedback pin
Overcurrent protection
Overvoltage protection
Half-bridge driver features:
Integrated level-shifter for the high-side driver of the half-bridge
Integrated bootstrap diode for the high-side driver supply of the half-bridge
Independent non-overlap time
Fluorescent lamp controller features:
Linear dimming (UBA2016A and UBA2015A only)
EOL (End-Of-Life) detection (both symmetrical and asymmetrical)
Adjustable preheat time
Adjustable preheat current
Adjustable fixed frequency preheat (UBA2015 and UBA2015A only)
Lamp ignition failure detection
Ignition detection of all lamps at multiple lamps with separate resonant tanks
Second ignition attempt if first failed
Constant output power independent of mains voltage variations
Automatic restart after changing lamps
Adjustable lamp current boost at start-up (UBA2016A only)
Lamp current control
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UBA2015 pdf, ピン配列
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NXP Semiconductors
5. Block diagram
UBA2016A/15/15A
600 V fluorescent lamp driver
VDD UBA2016A
5 μA
AUXPFC 13
0.1 V
DEMAG
GATE
DRIVE
14 GPFC
1.39 V
OVPFC
TEMPERATURE
SENSE
FBPFCOK
PFC
1 V CONTROLLER
S 140 °C
Q
R 80 °C
SUPPLY
AND
REFERENCES
5 IREF
FBPFC 11
COMPPFC 12
0.25 V
1.27 V
PFCOSP
ton
TIMER
PFCOK
IC off
3.0 V
brownout
1 mA
restart
16 VDD
13.4 V
19 FSHB
EOL 3
16 μA
2x
end of life
OR
5 μA
3.35 V
VFB 4
2.5 V
1V
80 mV
2.6 μA
OVextra
OV
ign
VFBlow
LAMP
ON
DETECTION
IFB 2
1V
60 kΩ
overcurrent
3V
9 μA
9 μA
5V
UVLO
on: > 12.4 V
off: < 10.0 V
LEVEL
SHIFTER
HIGH-SIDE
GATE DRIVE
20 GHHB
18 SHHB
FLUORESCENT
LAMP
CONTROLLER
HARD
SWITCHING/
CAPACITIVE
MODE DETECTION
NON
OVERLAP
OCpreheat
OCburn
VCO
LOW-SIDE 17 GLHB
GATE DRIVE
VDD
0.5 V
8.5 μA
1 SLHB
2.5 V
TIMER
100 μA
8 CPT
10 BOOST
0.5 V
1.27 V
not burn
5V
26 μA
5V
47 μA
9 67
DIM
CIFB
CF
001aam531
Fig 1. Block diagram UBA2016A
UBA2016A_15_15A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 16 November 2011
© NXP B.V. 2011. All rights reserved.
3 of 42
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UBA2015 電子部品, 半導体
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NXP Semiconductors
UBA2016A/15/15A
600 V fluorescent lamp driver
Table 3. Pin description …continued
Symbol Pin Description
BOOST
10
boost function input UBA2016A
PH/EN 10 preheat frequency setting combined with enable UBA2015 and UBA2015A
FBPFC
11
PFC feedback input
COMPPFC 12
PFC output voltage feedback compensation
AUXPFC 13
PFC auxiliary winding input
GPFC
14 PFC gate driver output
GND
15 ground
VDD
16 supply
GLHB
17 HB low-side switch gate driver output
SHHB
18 HB high-side source connection
FSHB
19 HB floating supply connection
GHHB
20 HB high-side switch gate driver output
7. Functional description
7.1 Introduction
The UBA2016A/15/15A is an integrated circuit for electronically ballasted fluorescent
lamps. It provides a critical conduction mode Power Factor Correction (PFC)
controller/driver and a half-bridge controller/driver with all the necessary functions for
correct preheat, ignition and on-state operation of the lamp. Several protection
mechanisms are incorporated to ensure the safe operation of the fluorescent lamp or a
shut down of the complete ballast under any abnormal operating conditions or lamp
failure.
7.2 Power Factor Correction (PFC)
The PFC is a boundary conduction mode, on-time controlled system. The basic
application diagram can be found in Figure 6. This type of PFC operates at the boundary
between continuous and discontinuous mode. Energy is stored in the inductor LPFC each
period that switch QPFC is on. When the input current Ii(PFC) is zero at the moment that
QPFC is switched on, the amplitude of the current build up in LPFC will be proportional to
Vi(PFC) and the time ton(PFC) that QPFC is on. This current continues to flow as output
current Io(PFC) via DPFC into CBUS after QPFC is switched off. In this phase Io(PFC) is equal to
Ii(PFC). A new cycle is started when Io(PFC) reaches zero. Ii(PFC) consists of a sequence of
triangular pulses, each having an amplitude proportional to the input voltage and ton(PFC).
If ton(PFC) is kept constant, the first harmonic of the input current is proportional to the input
voltage. The PFC output voltage Vo(PFC) is controlled by ton(PFC). As ton(PFC) is more slowly
regulated than the mains frequency it will not disturb the power factor.
UBA2016A_15_15A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 16 November 2011
© NXP B.V. 2011. All rights reserved.
6 of 42
Datasheet pdf - http://www.DataSheet4U.net/

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