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DLPA2000 Datasheet(PDF) 4 Page - Texas Instruments |
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DLPA2000 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 58 page  DLPA2000 DLPS043A – JUNE 2014 – REVISED AUGUST 2015 www.ti.com Pin Functions (continued) PIN I/O DESCRIPTION NAME NUMBER SPI_DOUT C6 O SPI data output VOFS C7 O VOFS output rail. Connect to ceramic capacitor. D1 L2 I Connection for VLED BUCK-BOOST inductor. D2 VSPI D3 I Power supply input for SPI interface. Connect to system I/O voltage. CMP_OUT D4 O Analog-comparator output. PWM_IN D5 I Reference voltage input for analog comparator. AGND D6 GND Analog ground. Connect to ground plane. VINA D7 POWER Power supply input for sensitive analog circuitry E1 VLED O VLED BUCK-BOOST converter output pin. E2 SENS1 E3 I Input signal from light sensor. SENS2 E4 I Input signal from temperature sensor. PROJ_ON E5 I Input signal to enable or disable the IC and DLP projector. DGND E6 GND Digital ground. Connect to ground plane. V2V5 E7 O Internal supply filter pin for digital logic; typical 2.5 V SW4 F1 O Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly. Kelvin sense connection to top side of LED current sense resistor. RLIM_K F2 I For best accuracy, route this trace directly to the top of the current sense resistor and separate it from the normal trace from the current sense resistor to the RLIM pins. LED_SEL1 F3 I Digital input to the RGB STROBE DECODER LED_SEL0 F4 I Digital input to the RGB STROBE DECODER BOUT1 F5 O Motor driver B phase output1 LS_IN F6 I Load switch LS_OUT F7 O Load switch SW5 G1 O Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly. Connection to LED ‘current sense’ resistor. RLIM G2 O Bottom side of sense resistor is connected to GND. RBOT_K G3 I Kelvin sense connection to ground side of LED current sense resistor AOUT1 G4 O Motor driver A phase output1 BOUT2 G5 O Motor driver B phase output2 VCORE G6 I VCORE BUCK converter feedback pin. PGNDCM G7 GND Power ground for VCORE BUCK and motor driver SW6 H1 O Low-side MOSFET switch for LED cathode. Connect to RGB LED assembly. Connection to LED current sense resistor. RLIM H2 O Bottom side of sense resistor is connected to GND. V6V H3 O Internal supply filter pin for gate driver circuitry. Typical 6.25 V. AOUT2 H4 O Motor driver A phase output2 VINM H5 I Power supply input for motor driver power stage. Connect to system power. VINC H6 I Power supply input for VCORE BUCK power stage. Connect to system power. SWC H7 I/O Connection for 1.1-V BUCK inductor 4 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: DLPA2000 |
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