STEVAL-CBL005V1 STMicroelectronics, STEVAL-CBL005V1 Datasheet
STEVAL-CBL005V1
Specifications of STEVAL-CBL005V1
Related parts for STEVAL-CBL005V1
STEVAL-CBL005V1 Summary of contents
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LNBs supply and control IC with step-up and I²C interface Features ■ Complete interface between LNB and I²C bus ■ Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.75 A), with integrated NMOS ...
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Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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LNBH23 7.3 Transmitted data (I²C bus write mode 7.4 Diagnostic received data ...
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Block diagram 1 Block diagram Figure 1. Block diagram LX LX Rsense Rsense P-GND P-GND Vup Vup VoRX VoRX VoTX VoTX TTX TTX TTX EXTM EXTM DSQIN DSQIN VCTRL VCTRL 4/32 ISEL ISEL TTX TTX ADDR ADDR SDA SCL SDA ...
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LNBH23 2 Application information This IC has a built-in DC-DC step-up converter with integrated NMOS that, from a single source from generates the voltages (V work at a minimum dissipated power of 0.375 W Typ. ...
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Application information 2.4 Data encoding by external tone generator (EXTM) In order to improve design flexibility an external tone input pin is available (EXTM). The EXTM is a logic input pin which activates the 22 kHz tone output, on the ...
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LNBH23 V =13.4 V) you will have V oRX This means that VCTRL=0 must be used only for short time to avoid the higher power dissipation. In stand-by condition (EN bit LOW) all the I²C bits and the TTX pin ...
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Application information 2.11 Output current limit selection The linear regulator current limit threshold can be set by an external resistor connected to I pin. The resistor value defines the output current limit by the equation: SEL I [A] = 10000/R ...
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LNBH23 3 Pin configuration Figure 3. Pin connections (top view for PowerSSO-24, bottom view for QFN32) DETIN DETIN 1 1 VCTRL VCTRL ...
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Pin configuration Table 2. Pin description (continued) Pin n° for Pin n° for Symbol QFN32 PSSO- DSQOUT 13 13 EXTM 15 15 BYP 10 10 ADDR 28 23 ISEL 30 2 VCTRL 5 7 P-GND Epad Epad Epad ...
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LNBH23 4 Maximum ratings Table 3. Absolute maximum ratings Symbol power supply input voltage pins CC input voltage UP I Output current output pin voltage oRX V Tone output pin ...
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Application circuit 5 Application circuit Figure 4. Typical application circuit Ferrite Bead Filter Ferrite Bead Filter L2 L2 suggested part number: suggested part number: MURATA BL01RN1-A62 MURATA BL01RN1-A62 Panasonic EXCELS A35 Panasonic EXCELS A35 L2 C5 100µ ...
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LNBH23 Table 5. Bill of material (continued) Component FERRITE BEAD, Panasonic-EXCELS A35 or Murata-BL01RN1-A62 or Taiyo-Yuden- L2 BKP1608HS600 or equivalent with similar or higher impedance and current rating higher than 2A L3 220µH-270µH Inductor with current rating higher than rated ...
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I²C bus interface 6 I²C bus interface Data transmission from main MCU to the LNBH23 and vice versa takes place through the 2 wires I²C bus Interface, consisting of the 2 lines SDA and SCL (pull-up resistors to positive supply ...
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LNBH23 Figure 5. Data validity on the I²C bus Figure 6. Timing diagram of I²C bus Figure 7. Acknowledge on the I²C bus Doc ID 13356 Rev 7 I²C bus interface 15/32 ...
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LNBH23 software description 7 LNBH23 software description 7.1 Interface protocol The interface protocol comprises: ● A start condition (S) ● A chip address byte (the LSB bit determines read(=1)/write(=0) transmission) ● A sequence of data (1 byte + acknowledge) ● ...
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LNBH23 Table 6. Truth table PCL TTX TEN LLC VSEL don't care All values are typical ...
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LNBH23 software description Table 7. Register IMON VMON TMON LLC These bits are read exactly the same as they were left after last write operation (2) (3) 0/1 0/1 0/1 1. Values are typical unless otherwise specified 2. IMON information ...
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LNBH23 8 Electrical characteristics Refer to the typical application circuit, T VSEL=LLC=TEN=PCL=ITEST=TTX=AUX= mA, unless otherwise stated. Typical values are referred to T voltage. See software description section for I²C access to the system register. Table 8. Electrical characteristics ...
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Electrical characteristics Table 8. Electrical characteristics (continued) Symbol Parameter V Tone detector input amplitude DETIN Z Tone detector input impedance DETIN V DSQOUT pin logic LOW OL I DSQOUT pin leakage current OZ DSQIN,TTX,13/18, EXTM pin V IL logic Low ...
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LNBH23 Refer to the typical application circuit, T VSEL=LLC=TEN=PCL=ITEST=TTX=AUX=0, R mA, unless otherwise stated. Typical values are referred to T See software description section for I²C access to the system register. Table 11. Output voltage diagnostic (VMON bit) characteristics Symbol ...
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Typical performance characteristics 9 Typical performance characteristics (Refer to the typical application circuit, T VSEL=LLC=TEN=PCL=ITEST=TTX=AUX= mA, unless otherwise stated. Typical values are referred voltage. See software description section for I²C access to the ...
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LNBH23 Figure 14. Supply current vs. temperature =12V =12V =No Load =No Load EN=TEN=TTX=LLC=VSEL=1 EN=TEN=TTX=LLC=VSEL=1 0 ...
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Typical performance characteristics Figure 20. Tone frequency vs. temperature =12V, I =12V, I =50mA =50mA EN=TEN=TTX=1 EN=TEN=TTX=1 18 ...
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LNBH23 Figure 26. DC-DC Converter efficiency vs. temperature 100 100 EN=VSEL=LLC=1 EN=VSEL=LLC -10 - [°C] T [°C] ...
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Package mechanical data 10 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available ...
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LNBH23 Table 14. QFN32 ( mm.) mechanical data Dim ddd Figure 30. QFN32 package dimensions (mm.) Min. Typ. 0.80 0.90 0 0.02 0.20 0.18 0.25 4.85 5.00 3.20 ...
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Package mechanical data Dim. Min. A 2. 0.33 c 0.23 (1) D 10.10 ( 10. 0. 4.10 Y 4.90 (1) “D and E” do ...
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LNBH23 Tape & reel PowerSSO-24 mechanical data Dim. Min 12 10.8 Bo 10.7 Ko 2.65 Po 3 23.7 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 30.4 ...
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Package mechanical data Tape & reel QFNxx/DFNxx (5x5 mm.) mechanical data Dim. Min 12 30/32 mm. Typ. Max. Min. 330 13.2 0.504 0.795 101 3.898 14.4 5.25 5.25 ...
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LNBH23 11 Revision history Table 15. Document revision history Date Revision 02-Apr-2007 1 15-Nov-2007 2 11-Jan-2008 3 26-Mar-2008 4 08-Jan-2009 5 23-Mar-2009 6 29-Nov-2010 7 Initial release. Added Note 2 on Table 3. Added: new package QFN32 and Modified: mechanical ...
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