component
BQ25703ARSNR
Public Made by Adomby adom
Texas Instruments Battery Management, VQFN-32-EP(4x4). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+17−14@@ -32,7 +32,7 @@ "number": "1", "name": "VBUS", "type": "power_in",- "description": "Charger input voltage (0 to 24 V operating). An input low-pass filter of 1\u03a9 and 0.47 \u00b5F (minimum) is recommended."+ "description": "Charger input voltage (0 to 24 V operating). An input low-pass filter of 1Ω and 0.47 µF (minimum) is recommended." }, { "number": "2",@@ -50,7 +50,7 @@ "number": "4", "name": "CHRG_OK", "type": "output",- "description": "Open-drain active-high indicator that a good power source is connected to the charger input. Pull up to a rail with a 10-k\u03a9 resistor. HIGH when VBUS rises above 3.5V or falls below 24.5V after 50ms deglitch; LOW when VBUS falls below 3.2V or rises above 26V."+ "description": "Open-drain active-high indicator that a good power source is connected to the charger input. Pull up to a rail with a 10-kΩ resistor. HIGH when VBUS rises above 3.5V or falls below 24.5V after 50ms deglitch; LOW when VBUS falls below 3.2V or rises above 26V." }, { "number": "5",@@ -62,25 +62,25 @@ "number": "6", "name": "ILIM_HIZ", "type": "input",- "description": "Input current limit input. Program ILIM_HIZ voltage via a resistor divider from supply rail to ground: V(ILIM_HIZ) = 1V + 40 \u00d7 IDPM \u00d7 RAC. Below 0.4 V the device enters Hi-Z; above 0.8 V normal operation."+ "description": "Input current limit input. Program ILIM_HIZ voltage via a resistor divider from supply rail to ground: V(ILIM_HIZ) = 1V + 40 × IDPM × RAC. Below 0.4 V the device enters Hi-Z; above 0.8 V normal operation." }, { "number": "7", "name": "VDDA", "type": "power_in",- "description": "Internal reference bias pin. Connect a 10-\u03a9 resistor from REGN to VDDA and a 1-\u00b5F ceramic capacitor from VDDA to power ground."+ "description": "Internal reference bias pin. Connect a 10-Ω resistor from REGN to VDDA and a 1-µF ceramic capacitor from VDDA to power ground." }, { "number": "8", "name": "IADPT", "type": "output",- "description": "Buffered adapter current output. V(IADPT) = 20 or 40 \u00d7 (V(ACP) \u2212 V(ACN)), ratio selectable in REG0x00[4]. Place resistor to ground for inductor value (137 k\u03a9 for 2.2 \u00b5H). Output clamped below 3.3 V."+ "description": "Buffered adapter current output. V(IADPT) = 20 or 40 × (V(ACP) − V(ACN)), ratio selectable in REG0x00[4]. Place resistor to ground for inductor value (137 kΩ for 2.2 µH). Output clamped below 3.3 V." }, { "number": "9", "name": "IBAT", "type": "output",- "description": "Buffered battery current output selected by I2C. V(IBAT) = 8 or 16 \u00d7 (V(SRP) \u2212 V(SRN)) for charge current, or 8 or 16 \u00d7 (V(SRN) \u2212 V(SRP)) for discharge current, with ratio in REG0x00[3]. Output clamped below 3.3 V; may float if unused."+ "description": "Buffered battery current output selected by I2C. V(IBAT) = 8 or 16 × (V(SRP) − V(SRN)) for charge current, or 8 or 16 × (V(SRN) − V(SRP)) for discharge current, with ratio in REG0x00[3]. Output clamped below 3.3 V; may float if unused." }, { "number": "10",@@ -98,13 +98,13 @@ "number": "12", "name": "SDA", "type": "bidirectional",- "description": "I2C open-drain data I/O. Connect to data line from host controller or smart battery. Connect a 10-k\u03a9 pullup resistor per I2C specifications."+ "description": "I2C open-drain data I/O. Connect to data line from host controller or smart battery. Connect a 10-kΩ pullup resistor per I2C specifications." }, { "number": "13", "name": "SCL", "type": "input",- "description": "I2C clock input. Connect to clock line from host controller or smart battery. Connect a 10-k\u03a9 pullup resistor per I2C specifications."+ "description": "I2C clock input. Connect to clock line from host controller or smart battery. Connect a 10-kΩ pullup resistor per I2C specifications." }, { "number": "14",@@ -140,13 +140,13 @@ "number": "19", "name": "SRN", "type": "input",- "description": "Charge current sense resistor negative input. Also used for battery voltage sensing. Connect optional 0.1-\u00b5F ceramic capacitor to GND for common-mode filtering; connect 0.1-\u00b5F between SRP and SRN for differential-mode filtering. 10-\u03a9 series resistors are placed on SRP/SRN for reverse-battery protection."+ "description": "Charge current sense resistor negative input. Also used for battery voltage sensing. Connect optional 0.1-µF ceramic capacitor to GND for common-mode filtering; connect 0.1-µF between SRP and SRN for differential-mode filtering. 10-Ω series resistors are placed on SRP/SRN for reverse-battery protection." }, { "number": "20", "name": "SRP", "type": "input",- "description": "Charge current sense resistor positive input. Connect 0.1-\u00b5F ceramic capacitor from SRP to SRN for differential-mode filtering. Optional 0.1-\u00b5F to GND for common-mode filtering. 10-\u03a9 series resistors for reverse-battery protection."+ "description": "Charge current sense resistor positive input. Connect 0.1-µF ceramic capacitor from SRP to SRN for differential-mode filtering. Optional 0.1-µF to GND for common-mode filtering. 10-Ω series resistors for reverse-battery protection." }, { "number": "21",@@ -176,7 +176,7 @@ "number": "25", "name": "BTST2", "type": "power_in",- "description": "Boost mode high-side power MOSFET driver power supply. Connect a 0.047-\u00b5F capacitor between SW2 and BTST2. Bootstrap diode between REGN and BTST2 is integrated."+ "description": "Boost mode high-side power MOSFET driver power supply. Connect a 0.047-µF capacitor between SW2 and BTST2. Bootstrap diode between REGN and BTST2 is integrated." }, { "number": "26",@@ -194,7 +194,7 @@ "number": "28", "name": "REGN", "type": "power_out",- "description": "6-V linear regulator output supplied from VBUS or VSYS. LDO is active when VBUS is above V(VBUS_CONVEN). Connect a 2.2- or 3.3-\u00b5F ceramic capacitor from REGN to power ground. REGN output is for the power-stage gate drive."+ "description": "6-V linear regulator output supplied from VBUS or VSYS. LDO is active when VBUS is above V(VBUS_CONVEN). Connect a 2.2- or 3.3-µF ceramic capacitor from REGN to power ground. REGN output is for the power-stage gate drive." }, { "number": "29",@@ -206,7 +206,7 @@ "number": "30", "name": "BTST1", "type": "power_in",- "description": "Buck mode high-side power MOSFET driver power supply. Connect a 0.047-\u00b5F capacitor between SW1 and BTST1. Bootstrap diode between REGN and BTST1 is integrated."+ "description": "Buck mode high-side power MOSFET driver power supply. Connect a 0.047-µF capacitor between SW1 and BTST1. Bootstrap diode between REGN and BTST1 is integrated." }, { "number": "31",@@ -288,5 +288,8 @@ "docs/bq25703arsnr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }