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TPS61196 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS61196 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 30 page COMP VDD 1 2 3 4 5 6 7 8 9 10 PGND OVP GDRV ISNS EN PWM3 ISET IFB2 FBP FSW IFB3 IFB1 VIN 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 PWM2 PWM1 IFBV PWM4 PWM5 PWM6 AGND IFB5 IFB4 IFB6 UVLO FAULT REF TPS61196 www.ti.com SLVSBG1C – OCTOBER 2012 – REVISED FEBRUARY 2013 DEVICE INFORMATION HTSSOP-28 (PWP) (TOP VIEW) PIN FUNCTIONS PIN DESCRIPTION NUMBER NAME (PWP) 1 UVLO Low input voltage lock out. Use a resister divider from VIN to this pin to set the UVLO threshold 2 EN Enable and disable pin. EN high=Enable, EN low=Disable 3,4,5,6,7,8 PWM1 to PWM signal input pins. The frequency of PWM signal is in the range of 90Hz to 22kHz PWM6 9 FBP LED cross-short protection threshold program pin. Use a resistor to GND to set the threshold 10 ISET Connecting a resistor to the pin programs the IFB pin current level for full brightness (i.e., 100% dimming) 11 IFBV Minimum feedback voltage setting for LED strings 12,13,14,15,16, IFB1 to IFB6 Regulated current sink input pins 17 18 AGND Analog ground 19 OVP Over-voltage protection detection input. Connect a resistor divider from output to this pin to program the OVP threshold. 20 COMP Loop compensation for the boost converter. Connect a RC network to make loop stable 21 REF Internal reference voltage for the boost converter. Use a capacitor at this pin to adjust the soft start time. When two chips operate in parallel, connect the master's REF pin to the slave's COMP pin. 22 PGND External MOSFET current sense ground input 23 ISNS External MOSFET current sense positive input 24 GDRV External switch MOSFET gate driver output 25 VDD Internal regulator output for IC internal power supply. Connect a 1.0µF ceramic capacitor to this pin. 26 FSW Switching frequency setting pin. Use a resistor to set the frequency between 100kHz to 800kHz. An external input voltage above 3.5V or below 0.5V disables the internal clock and makes the device as slave device 27 FAULT Fault indicator. Open-drain output. Output high impedance when fault conditions happen 28 VIN Power supply input pin Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links :TPS61196 |
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