tscircuit/ti
ti tscircuit library
- Version
- 1.0.85
- License
- unset
- Stars
- 0
lib/simulations/BQ24074-ovp-fault.circuit.tsx
PCB
Schematic
import type { SubcircuitProps } from "@tscircuit/props";
import { BQ24074RGTR } from "../chips/BQ24074RGTR.circuit";
const ovpInputPinLabels = {
pin1: ["OUT"],
pin2: ["VSS"],
} as const;
const BQ24074OvpInputStep = (props: any) => (
<chip
pinLabels={ovpInputPinLabels}
manufacturerPartNumber="BQ24074-OVP-INPUT-STEP"
spiceModel={
<spicemodel
source={`* VIN stimulus for OVP fault transient test
.SUBCKT BQ24074_OVP_INPUT_STEP OUT VSS
V_IN OUT VSS PWL(0 6 64u 6 70u 15 78u 15.8 90u 15 240u 15)
.ENDS BQ24074_OVP_INPUT_STEP
`}
spicePinMapping={{
OUT: "OUT",
VSS: "VSS",
}}
/>
}
{...props}
/>
);
export const BQ24074OvpFaultCircuit = (props: SubcircuitProps) => (
<subcircuit {...props}>
<BQ24074RGTR
name="U1"
schX={0}
schY={0}
schWidth={2.1}
schHeight={3}
showPinAliases={false}
schPinArrangement={{
leftSide: {
pins: ["IN", "N_CE", "EN1", "EN2", "TS", "VSS"],
direction: "top-to-bottom",
},
rightSide: {
pins: ["OUT", "BAT", "ISET", "ILIM", "ITERM", "TMR"],
direction: "top-to-bottom",
},
}}
schPinStyle={{
IN: { marginBottom: 0.8 },
OUT: { marginBottom: 0.8 },
BAT: { marginBottom: 0.8 },
}}
connections={{
IN: "net.VIN",
N_CE: "net.GND",
EN1: "net.GND",
EN2: "net.EN2",
TS: "net.TS",
VSS: "net.GND",
OUT: "net.OUT",
BAT: "net.BAT",
ISET: "net.ISET",
ILIM: "net.ILIM",
ITERM: "net.ITERM",
TMR: "net.TMR",
EP: "net.GND",
}}
/>
<BQ24074OvpInputStep
name="V_IN"
schX={-4.4}
schY={1.55}
schWidth={1.8}
schHeight={0.45}
connections={{ OUT: "net.VIN", VSS: "net.GND" }}
/>
<voltagesource
name="V_LOGIC"
voltage="3.3V"
schX={-5.2}
schY={-1.35}
schRotation="270deg"
connections={{ pin1: "net.EN2", pin2: "net.GND" }}
/>
<voltagesource
name="V_BAT"
voltage="4.2V"
schX={9.6}
schY={-0.5}
schRotation="270deg"
connections={{ pin1: "net.BAT_SRC", pin2: "net.GND" }}
/>
<resistor
name="R_BAT_SRC"
resistance="0.1"
footprint="0603"
schX={7.5}
schY={0.5}
schRotation={180}
connections={{ pin1: "net.BAT_SRC", pin2: "net.BAT_PROBE_SRC" }}
/>
<ammeter
name="IBAT_PROBE"
connections={{ pos: "U1.BAT", neg: "R_BAT_SRC.pin2" }}
color="#00aec7"
graphDisplayName="IBAT"
graphCenter={0}
graphVerticalOffset={0}
graphCurrentPerDiv={0.5}
schX={4.7}
schY={0.5}
/>
<resistor
name="R_LOAD"
resistance="10"
footprint="0603"
schX={6.4}
schY={2.5}
schOrientation="vertical"
connections={{ pin1: "net.OUT", pin2: "net.GND" }}
/>
<capacitor
name="C_OUT"
capacitance="4.7uF"
footprint="0603"
schX={5.1}
schY={2.5}
schOrientation="vertical"
connections={{ pin1: "net.OUT", pin2: "net.GND" }}
/>
<capacitor
name="C_BAT"
capacitance="4.7uF"
footprint="0603"
schX={4.1}
schY={2.5}
schOrientation="vertical"
connections={{ pin1: "net.BAT", pin2: "net.GND" }}
/>
<resistor
name="R_ISET"
resistance="1.13k"
footprint="0603"
schX={8.2}
schY={-2.2}
schOrientation="vertical"
connections={{ pin1: "net.ISET", pin2: "net.GND" }}
/>
<resistor
name="R_ILIM"
resistance="1.18k"
footprint="0603"
schX={6.6}
schY={-2.2}
schOrientation="vertical"
connections={{ pin1: "net.ILIM", pin2: "net.GND" }}
/>
<resistor
name="R_ITERM"
resistance="4.12k"
footprint="0603"
schX={5.0}
schY={-2.2}
schOrientation="vertical"
connections={{ pin1: "net.ITERM", pin2: "net.GND" }}
/>
<resistor
name="R_TMR"
resistance="46.4k"
footprint="0603"
schX={3.4}
schY={-2.2}
schOrientation="vertical"
connections={{ pin1: "net.TMR", pin2: "net.GND" }}
/>
<resistor
name="R_TS"
resistance="10k"
footprint="0603"
schX={-3.8}
schY={-2.75}
schOrientation="vertical"
connections={{ pin1: "net.TS", pin2: "net.GND" }}
/>
<schematictext
text="VIN = 6 V to 15 V, RLOAD = 10 ohm"
schX={0}
schY={3.35}
fontSize={0.16}
anchor="center"
/>
<trace from="V_IN.OUT" to="U1.IN" />
<trace from="V_IN.VSS" to="net.GND" />
<trace from="V_LOGIC.pin1" to="U1.EN2" />
<trace from="V_LOGIC.pin2" to="net.GND" />
<trace from="U1.N_CE" to="net.GND" />
<trace from="U1.EN1" to="net.GND" />
<trace from="U1.VSS" to="net.GND" />
<trace from="U1.EP" to="net.GND" />
<trace from="U1.TS" to="R_TS.pin1" />
<trace from="R_TS.pin2" to="net.GND" />
<trace from="U1.OUT" to="R_LOAD.pin1" />
<trace from="R_LOAD.pin2" to="net.GND" />
<trace from="U1.OUT" to="C_OUT.pin1" />
<trace from="C_OUT.pin2" to="net.GND" />
<trace from="U1.BAT" to="C_BAT.pin1" />
<trace from="C_BAT.pin2" to="net.GND" />
<trace from="U1.BAT" to="IBAT_PROBE.pos" />
<trace from="IBAT_PROBE.neg" to="R_BAT_SRC.pin2" />
<trace from="R_BAT_SRC.pin1" to="V_BAT.pin1" />
<trace from="V_BAT.pin2" to="net.GND" />
<trace from="U1.ISET" to="R_ISET.pin1" />
<trace from="R_ISET.pin2" to="net.GND" />
<trace from="U1.ILIM" to="R_ILIM.pin1" />
<trace from="R_ILIM.pin2" to="net.GND" />
<trace from="U1.ITERM" to="R_ITERM.pin1" />
<trace from="R_ITERM.pin2" to="net.GND" />
<trace from="U1.TMR" to="R_TMR.pin1" />
<trace from="R_TMR.pin2" to="net.GND" />
<voltageprobe
name="VIN_PROBE"
connectsTo="U1.IN"
referenceTo="U1.VSS"
color="#394fbd"
graphDisplayName="VIN"
graphCenter={6}
graphVerticalOffset={60}
graphVoltagePerDiv={10}
/>
<voltageprobe
name="VOUT_PROBE"
connectsTo="U1.OUT"
referenceTo="U1.VSS"
color="#a64acb"
graphDisplayName="VOUT"
graphCenter={4.4}
graphVerticalOffset={0.9}
graphVoltagePerDiv={0.3}
/>
<voltageprobe
name="VBAT_PROBE"
connectsTo="U1.BAT"
referenceTo="U1.VSS"
color="#55a86c"
graphDisplayName="VBAT"
graphCenter={4.2}
graphVerticalOffset={0.24}
graphVoltagePerDiv={0.1}
/>
<analogsimulation
name="BQ24074 OVP Fault"
duration="240us"
startTime="40us"
timePerStep="200ns"
spiceEngine="encrypted-pspice-ngspice"
graphIndependentAxes
spiceOptions={{
method: "gear",
reltol: 0.01,
abstol: "1n",
vntol: "1u",
}}
/>
</subcircuit>
);
export default BQ24074OvpFaultCircuit;