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ACT510X Datasheet(PDF) 3 Page - Active-Semi, Inc |
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ACT510X Datasheet(HTML) 3 Page - Active-Semi, Inc |
3 / 37 page ACT510x Rev 1.0, 04-Apr-2018 3 PIN DESCRIPTIONS PIN NAME Type DESCRIPTION 1, 9, 32 AGND P Analog ground of the IC. 2 NC I No connect 3 INTBP O Internal Bypass - This should be connected to a 100nF ceramic capacitor 4 VREG I Internal VREG LDO output. The output voltage is programmable from 2V to 5V. Connect a 1.0uF to this pin. The maximum current capability for this pin is 100mA. The internal Overcurrent and over temp circuit shut down the converter when VREG is overloaded. 5, 20 PGND P Power ground of the IC. 6 SDA I/O I2C Interface data. 7 SCL I I2C Interface clock. 8 EN I Converter enable Input. The converter is active when this pin is pull low. 10 nIRQ I Interrupt IRQ open drain output. 11 ILIM I Input maxim current setting pin. Connect a resistor from ILIM to AGND to program the maxim input current. 12 VINS I VIN Sense Input 13 ISRN I Negative input current sense amplifier inputs. Sense resistor is optional. 14 ISRP I Positive input current sense amplifier inputs. 15 HSB2 P High Side Bias Pin. This provides power to the internal high-side MOSFET gate driver. Connect a 47nF capacitor from HSB2 pin to SW2 pin. 16, 17 VIN P Input power pins. Decoupling capacitor should be placed from this pin to PGND. 18, 19 SW2 P Power switching output node to external inductor. 21, 22 SW1 P Power switching output node to external inductor. 23, 24 VOUT P Output pins. Decoupling capacitor should be placed from this pin to PGND. 25 HSB1 P High Side Bias Pin. This provides power to the internal high-side MOSFET gate driver. Connect a 47nF capacitor from HSB1 pin to SW1 pin. 26 OSRP I Output current sense resistor positive input. 27 OSRN I Output current sense resistor negative input. 28 STAT O Open drain status output to indicate various charger operation. A LOW indicates con- verter is running. If converter is disabled for any reason, such as VOUT fault or VIN UV etc., STAT will go high. 29 OLIM I Output constant current limit setting pin. Connect a resistor from OLIM to AGND to pro- gram the output current. 30 (ACT5101) A2D I A2D Input Pin 30 (ACT5102) FB I Input FB pin 31 COMP O Error Amplifier Output. This pin is used to compensate the converter. Power Pad P Exposed pad. Must be shorted to ground on the PCB. |
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