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NXP Semiconductors Electronic Components Datasheet

UBA2037 Datasheet

Full bridge control IC

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UBA2037
Full bridge control IC for HID general lighting
Rev. 01 — 30 October 2008
Product data sheet
1. General description
The UBA2037 is a high voltage monolithic Integrated Circuit (IC) manufactured in a High
Voltage Silicon On Insulator (HVSOI) process. This circuit is designed for driving
MOSFETs in a full bridge configuration. In addition, it features a disable function, an
internal adjustable oscillator and an external clock input function with a high-voltage level
shifter for driving the bridge. To guarantee an accurate 50 % duty cycle, the oscillator
signal can be passed through a divider before being fed to the output drivers.
The UBA2037 is especially suitable for High Intensity Discharge (HID) lamp drivers for
projectors and general lighting applications.
2. Features
I Full bridge driver circuit
I Integrated bootstrap diodes
I 464 V integrated high voltage level shift function to drive HID lamps below ground level
I 550 V series regulator input to make the internal supply
I 550 V maximum bridge voltage
I Accurate bridge disable function
I Input for start-up delay
I Adjustable oscillator frequency
I Selectable frequency divider
I Predefined bridge position during start-up
I Adaptive non-overlap
3. Applications
I The UBA2037 can drive (via the power MOSFETs) any kind of load in a full bridge
configuration.
I The circuit is especially designed as a commutator controller for HID lamps in
projectors and general lighting applications.


NXP Semiconductors Electronic Components Datasheet

UBA2037 Datasheet

Full bridge control IC

No Preview Available !

NXP Semiconductors
UBA2037
Full bridge control IC for HID general lighting
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
UBA2037T
SO24
plastic small outline package; 24 leads; body width 7.5 mm
UBA2037TS
SSOP28 plastic shrink small outline package; 28 leads; body width 5.3 mm
5. Block diagram
Version
SOT137-1
SOT341-1
VSS(CLK) CLK
12
6
HV
14
SGND
STABILIZER
VDD 9
RC 13
OSCILLATOR
10
SU
12
BD
1.29 V
bridge disable
Fig 1. Block diagram
VDD(CLK)
3
LOGIC SIGNAL
GENERATOR
÷2
HIGH VOLTAGE
LEVEL SHIFTER
UBA2037TS
LOGIC
LOW VOLTAGE
LEVEL SHIFTER
11
DD
HIGHER LEFT
DRIVER
HIGHER RIGHT
DRIVER
LOWER RIGHT
DRIVER
LOWER LEFT
DRIVER
16
FSL
15
GHL
17
SHL
27
FSR
28
GHR
26 SHR
23
GLR
21
PGND
20
GLL
4, 5, 7, 8, 18, 19, 22, 24, 25
n.c. 014aaa635
UBA2037_1
Product data sheet
Rev. 01 — 30 October 2008
© NXP B.V. 2008. All rights reserved.
2 of 14


Part Number UBA2037
Description Full bridge control IC
Maker NXP
PDF Download

UBA2037 Datasheet PDF






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