STEVAL-ISA056V1 STMicroelectronics, STEVAL-ISA056V1 Datasheet
STEVAL-ISA056V1
Manufacturer Part Number
STEVAL-ISA056V1
Description
BOARD EVAL BASED ON PM6600
Manufacturer
STMicroelectronics
Type
PWM Controllersr
Specifications of STEVAL-ISA056V1
Design Resources
STEVAL-ISA056V1 Gerber Files STEVAL-ISA056V1 Schematic STEVAL-ISA056V1 Bill of Material
Current - Output / Channel
30mA
Outputs And Type
6, Non-Isolated
Voltage - Output
36 V
Features
Dimmable
Voltage - Input
4.5 ~ 28V
Utilized Ic / Part
PM6600
Input Voltage
4.5 V to 28 V
Output Voltage
36 V
Product
Power Management Modules
Core Chip
PM6600
Topology
Boost
No. Of Outputs
1
Dimming Control Type
PWM
Mcu Supported Families
PM6600
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
PM6600
Other names
497-8414
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISA056V1
Manufacturer:
STMicroelectronics
Quantity:
1
Features
■
■
Description
This evaluation board based on the PM6600
consists of a high efficiency monolithic boost
converter and six controlled current generators
(rows) specifically designed to supply LEDs
arrays used in the backlight of LCD panels. The
device can manage an output voltage up to 36 V
(i.e. ten white-LEDs per row).
The generators can be externally programmed to
sink up to 30 mA and can be dimmed via a PWM
signal (1% dimming duty-cycle at 20 kHz can be
March 2008
For further information contact your local STMicroelectronics sales office.
Boost section
– 4.5 V to 28 V input voltage range
– Internal Power MOSFET
– Internal +5 V LDO for device supply
– Up to 36 V output voltage
– Constant frequency peak current-mode ctrl
– 200 kHz to 1 MHz adjustable switching
– External sync for multi-device application
– Pulse-skip power saving mode at light load
– Programmable soft-start
– Programmable OVP protection
– Single ceramic output capacitor
– Latched thermal shutdown
Backlight driver section
– Six rows with 30mA maximum current
– Up to 10 W LEDs per row
– Rows disable option
– Less than 500 ns minimum dimming time
– ±2.0% current matching between rows
– LED failure (open and short circuit)
6 rows - 30 mA LEDs driver with boost converter for LCD panels
frequency
capability (adjustable)
(1% minimum dimming duty-cycle at 20
kHz dimming frequency)
detection
backlight evaluation board based on the PM6600
Rev 1
managed). The device allows to detect and
manage the open and shorted LED faults and to
let unused rows floating. Basic protections
(output over-voltage, internal MOSFET over-
current and thermal shutdown) are provided.
STEVAL-ISA056V1
STEVAL-ISA056V1
Data Brief
www.st.com
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STEVAL-ISA056V1 Summary of contents
Page 1
... March 2008 For further information contact your local STMicroelectronics sales office. STEVAL-ISA056V1 STEVAL-ISA056V1 managed). The device allows to detect and manage the open and shorted LED faults and to let unused rows floating. Basic protections (output over-voltage, internal MOSFET over- current and thermal shutdown) are provided ...
Page 2
... Circuit schematic 1 Circuit schematic Figure 1. Schematic 2/4 LX SGND BILIM 3 VIN 8 RILIM RI 2 SYNC SY 23 FSW 4 STEVAL-ISA056V1 ...
Page 3
... STEVAL-ISA056V1 2 Revision history Table 1. Document revision history Date 10-Mar-2008 Revision 1 Initial release. Revision history Changes 3/4 ...
Page 4
... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com STEVAL-ISA056V1 ...