STEVAL-TLL005V1 STMicroelectronics, STEVAL-TLL005V1 Datasheet
STEVAL-TLL005V1
Specifications of STEVAL-TLL005V1
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STEVAL-TLL005V1 Summary of contents
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Features ■ Buck-boost DC-DC converter ■ Drives one power white LED up to 800 mA from 2 5 QFN ■ Drives one power white LED up to 800 mA from 3 5 ...
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Contents Contents 1 Description (continued ...
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STCF03 8.2 TRIG_EN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of tables List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STCF03 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Description (continued) 1 Description (continued) All the functions of the device are controlled through the I²C which helps bus that allows to reduce logic pins on the package and to save PCB tracks on the board. Hard and soft- triggering ...
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STCF03 2 Diagram Figure 1. Block diagram Doc ID 13169 Rev 7 Diagram 7/35 ...
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Pin configuration 3 Pin configuration Figure 2. Pin connections (bottom view) QFN20 (4x4) Table 2. Pin description Pin n° for Pin n° for Symbol QFN20 TFBGA25 1 E1, D2 VLX2 NTC 4 D1, C2 VOUT 5 ...
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STCF03 4 Maximum ratings Table 3. Absolute maximum ratings Symbol VBAT Signal supply voltage PVBAT Power supply voltage VLX1A, VLX1B Inductor connection 1 VLX2 Inductor connection 2 VOUT Output voltage AUXL Auxiliary LED FB1, FB2, FB2S Feedback and sense voltage ...
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Application 5 Application Figure 3. Application schematic **: Connect GND or SDA or SCL to choose one of the 4 different I²C Slave Addresses. I ***: Optional components to support auxiliary functions. Table 5. List of ...
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STCF03 6 Electrical characteristics ° 3 kΩ, Typ. values @ 25 °C, unless otherwise specified. X Table 6. Electrical characteristics Symbol Parameter V Input operation supply ...
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Electrical characteristics Table 6. Electrical characteristics (continued) Symbol Parameter NTC RX-NTC switch OFF leakage LEAK Output logic signal level low V OL ATN Output logic leakage current I OZ ATN V Input logic signal level SCL, IL SDA, TRIG, TEST, ...
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STCF03 7 Introduction The STCF03 is a buck-boost converter, dedicated to power and control the current of a power white LED in a camera cell phone. The device operates at a constant switching frequency of 1.8 MHz typ. It provides ...
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Introduction 7.2.4 ADD pin With this pin it is possible to select one of the 4 possible I²C slave addresses. No internal pull-up nor pull-down is provided. The pin has to be connected either GND select the desired ...
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STCF03 7.3 I²C bus interface Data transmission from the main microprocessor STCF03 and vice versa takes place through the 2 wires I²C bus interface wires, consisting of the two lines SDA and SCL (pull-up resistors to a positive supply voltage ...
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Introduction 7.6 Byte format Every byte transferred to the SDA line must contain 8 bits. Each byte must be followed by an acknowledge bit. The MSB is transferred first. One data bit is transferred during each clock pulse. The data ...
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STCF03 Table 8. Interface protocol Device address + R/W bit 7.8 Writing to a single register Writing to a ...
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Introduction The register address byte determines the first register in which the read or write operation takes place. When the read or write operation is finished, the register address is automatically increased. 7.10 Writing to multiple registers with incremental addressing ...
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STCF03 Figure 11. Reading from a single register DEVICE DEVICE ADDRESS ADDRESS 7 bits 7 bits 7.12 Reading from multiple registers with incremental addressing ...
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Description of internal registers 8 Description of internal registers Table 9. I²C register mapping function Register name CMD_REG DIM_REG AUX_REG STAT_REG Table 10. Command register CMD_REG MSB (write mode) SUB ADD=00 PWR_ON Power ON 0 RESET Value 8.1 PWR_ON When ...
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STCF03 8.5 FTIM_0~3 This 4bit register defines the maximum flash duration intended to limit the energy dissipated by the LED to a maximum safe value or to leave to the STCF03 the control of the flash duration during ...
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Description of internal registers Table 12. Auxiliary register AUX_REG MSB (write mode) SUB ADD=02 AUXI_3 Power ON, SHUTDOWN MODE 0 RESET Value 8.8 AUXI_0~3 This 4 bits register defines the AUX LED current from mA. See AUX ...
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STCF03 Table 15. Status register STAT_REG MSB (read mode) SUB ADD=03 N/A Power ON, SHUTDOWN MODE 0 RESET Value 8.10 F_RUN This bit is kept HIGH by the STCF03 during flash mode. By checking this bit, the microprocessor can verify ...
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Description of internal registers 8.15 VOUTOK_N This bit is set by the STCF03 used to protect the device, if the output is shorted. The VOUTOK_N bit is set to HIGH at the start-up. Then a current generator of ...
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STCF03 9 Detailed description 9.1 PowerON reset This mode is initiated by applying a supply voltage above the V value. An internal timing (~1 µs) defines the duration of this status. The logic blocks are powered, but the device doesn't ...
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Detailed description TRIG_EN bit, and also resets the F_RUN bit. The ATN pin is pulled down to inform the microprocessor that the STAT_REG has been updated. 9.5 External (microprocessor) temporization using TRIG_EN bit Even possible ...
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STCF03 Typical performance characteristics 10 Figure 15. Efficiency Efficiency of the application at Io=800mA Efficiency of the application at Io=800mA Efficiency of the application at Io=55mA Efficiency of the application at Io=55mA 100 100 ...
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Typical performance characteristics Figure 21. I vs. temp 5.5 V ready-mode 2.5 2 1.5 1 0.5 0 -40°C -40°C 25°C 25°C Temp. Temp. Figure 23. Line transient in ...
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STCF03 11 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 at: www.st.com. ...
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Package mechanical data Figure 24. QFN20 ( mm.) drawing 30/35 Doc ID 13169 Rev 7 STCF03 7169619_F ...
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STCF03 Dim. Min 0.78 b 0. TFBGA25 mechanical data mm. Typ. Max. 1.1 1.16 0.25 0.86 0.30 0.35 3.0 3.1 2 3.0 3.1 2 0.5 0.25 Doc ID ...
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Package mechanical data Tape & reel QFNxx/DFNxx (4x4) mechanical data Dim. Min 12 32/35 mm. Typ. Max. Min. 330 13.2 0.504 0.795 101 3.898 14.4 4.35 4.35 1.1 ...
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STCF03 Tape & reel TFBGA25 mechanical data Dim. Min 12 3.9 P 7.9 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 14.4 3.3 3.3 1.60 4.1 0.153 8.1 ...
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Revision history 12 Revision history Table 18. Document revision history Date Revision 30-Jan-2007 1 27-Mar-2007 2 28-Aug-2007 3 12-Sep-2007 4 10-Sep-2008 5 24-Aug-2010 6 23-Feb-2011 7 34/35 First release. The OVP min. value on table 5 is changed: 5.5 V ...
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... STCF03 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...