LNBH24LQTR STMicroelectronics, LNBH24LQTR Datasheet - Page 2

no-image

LNBH24LQTR

Manufacturer Part Number
LNBH24LQTR
Description
IC LNBS DUAL SUPPLY/CTRL 32-QFN
Manufacturer
STMicroelectronics
Datasheet

Specifications of LNBH24LQTR

Applications
Converter, Analog and Digital Satellite STB Receivers/SatTV
Voltage - Input
8 ~ 15 V
Number Of Outputs
2
Voltage - Output
13.3V, 18.2V
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10615-2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LNBH24LQTR
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
LNBH24LQTR
Quantity:
3 000
Part Number:
LNBH24LQTR/1P
Manufacturer:
ST
0
Contents
Contents
1
2
3
4
5
6
7
2/25
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
I²C bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.1
6.2
6.3
6.4
6.5
LNBH24 software description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.1
7.2
7.3
Application information (valid for each section A/B) . . . . . . . . . . . . . . . . . . 5
DiSEqC™ 1.X implementation by EXTM pin . . . . . . . . . . . . . . . . . . . . . . . 5
DISEQC™ 1.X implementation with VoTX and EXTM pin connection . . . . 5
Thermal protection and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Output current limit selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DiSEqC™ data encoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PDC optional circuit for DISEQC™ 1.X applications using
VoTX signal on to EXTM pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
I²C interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Output voltage selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Diagnostic and protection functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Over-current and short circuit protection and diagnostic . . . . . . . . . . . . . . 7
Data validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Start and stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Byte format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Transmission without acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Interface protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
System register (SR, 1 Byte for each section A and B) . . . . . . . . . . . . . . 15
Transmitted data (I²C bus write mode) for each sections A/B . . . . . . . . . 15
Doc ID 16857 Rev 2
LNBH24L

Related parts for LNBH24LQTR