UBA2037 NXP Semiconductors, UBA2037 Datasheet

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UBA2037

Manufacturer Part Number
UBA2037
Description
Full Bridge Control Ic For Hid General Lighting
Manufacturer
NXP Semiconductors
Datasheet

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1. General description
2. Features
3. Applications
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.
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UBA2037
Full bridge control IC for HID general lighting
Rev. 01 — 30 October 2008
Full bridge driver circuit
Integrated bootstrap diodes
464 V integrated high voltage level shift function to drive HID lamps below ground level
550 V series regulator input to make the internal supply
550 V maximum bridge voltage
Accurate bridge disable function
Input for start-up delay
Adjustable oscillator frequency
Selectable frequency divider
Predefined bridge position during start-up
Adaptive non-overlap
The UBA2037 can drive (via the power MOSFETs) any kind of load in a full bridge
configuration.
The circuit is especially designed as a commutator controller for HID lamps in
projectors and general lighting applications.
Product data sheet

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UBA2037 Summary of contents

Page 1

... 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. Product data sheet ...

Page 2

... LOGIC SIGNAL HIGH VOLTAGE GENERATOR LEVEL SHIFTER UBA2037TS 2 LOW VOLTAGE LOGIC LEVEL SHIFTER 11 DD Rev. 01 — 30 October 2008 UBA2037 Full bridge control IC for HID general lighting HIGHER LEFT DRIVER HIGHER RIGHT DRIVER LOWER RIGHT DRIVER LOWER LEFT DRIVER 18, 19, 22, 24, 25 n.c. ...

Page 3

... RC input for internal oscillator 12 14 signal ground 13 15 gate driver output for upper left MOSFET 14 16 floating supply left 15 17 source upper left MOSFET 16 18 not connected Rev. 01 — 30 October 2008 UBA2037 V 1 SS(CLK) 2 CLK 3 V DD(CLK) n. n.c. 7 UBA2037TS n ...

Page 4

... GHR 7. Functional description 7.1 Supply voltage The UBA2037 is powered by a supply voltage applied to pin HV, e.g. the supply voltage of the full bridge. The IC generates its own low supply voltage for its internal circuitry. Therefore an additional low voltage supply is not required. A capacitor has to be connected to pin VDD to obtain a ripple-free internal supply voltage. The circuit can also be powered by a low voltage supply directly applied to pin VDD ...

Page 5

... SHL FSR FSL SHR GHL GHR GLL = V , and PGND GHR SHR Equation 1. osc DD(CLK) UBA2037 GLR PGND) PGND ) VDD VDD ) PGND PGND ) VDD VDD ) VDD PGND ) PGND VDD ...

Page 6

... CLK, SU, BD, and DD; with respect maximum pulse time t = 100 ns pin RC: maximum pulse time = 100 ns pins SHL and SHR pin V SS(CLK) Rev. 01 — 30 October 2008 UBA2037 . The bridge disable function BD Min Max Unit 40 +125 C 40 +150 ...

Page 7

... FSR SHR GHR pin 450 V SS(CLK) SS(CLK) CLK pin 464 V DD(CLK) DD(CLK) CLK 8.25 V VDD Rev. 01 — 30 October 2008 UBA2037 Min Max Unit 100 - k - 900 200 V - 500 V Typ Unit 100 K/W Min Typ Max Unit ...

Page 8

... V; FSL FSR SHL SHR VDD VDD VDD VDD VDD VDD SS(CLK) DD(CLK) Rev. 01 — 30 October 2008 UBA2037 Min Typ Max Unit 5.75 6 200 - mA - 200 - mA 0 ...

Page 9

... V; V SS(CLK) DD(CLK SS(CLK CLK SS(CLK 500 Hz bridge 12 (pin HV (1) ( 200 400 Rev. 01 — 30 October 2008 UBA2037 Full bridge control IC for HID general lighting Min Typ = 100 - 420 5.75 - 1.23 1. 0.89 0.97 014aaa638 600 ...

Page 10

... 0.49 0.32 15.6 7.6 10.65 1.27 0.36 0.23 15.2 7.4 10.00 0.019 0.013 0.61 0.30 0.419 0.05 0.014 0.009 0.60 0.29 0.394 REFERENCES JEDEC JEITA MS-013 Rev. 01 — 30 October 2008 UBA2037 Full bridge control IC for HID general lighting detail 1.1 1.1 0.25 0.25 0.1 1.4 0.4 1.0 0.043 0.043 0.01 0.01 0.004 ...

Page 11

... Rev. 01 — 30 October 2008 Full bridge control IC for HID general lighting detail 1.03 0.9 1.25 0.2 0.13 0.63 0.7 EUROPEAN PROJECTION UBA2037 SOT341 ( 1.1 8 0.1 o 0.7 0 ISSUE DATE 99-12-27 03-02-19 © NXP B.V. 2008. All rights reserved ...

Page 12

... Revision history Table 7. Revision history Document ID Release date UBA2037_1 20081030 UBA2037_1 Product data sheet Full bridge control IC for HID general lighting Data sheet status Change notice Product data sheet - Rev. 01 — 30 October 2008 UBA2037 Supersedes - © NXP B.V. 2008. All rights reserved ...

Page 13

... 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 Rev. 01 — 30 October 2008 UBA2037 © NXP B.V. 2008. All rights reserved ...

Page 14

... 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. 2008. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com UBA2037 All rights reserved. Date of release: 30 October 2008 Document identifier: UBA2037_1 ...

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