component
HT84063AREZ
Public Made by Adomby adom
HTCSEMI DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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HT84063AREZ
HTCSEMI · DC-DC Converters · SOP-8-EP
HT84063AREZ from HTCSEMI, in a SOP-8-EP. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Switch Collector | passive | Collector of the output switch transistor, rated 40 Vdc maximum with switch current up to 1.5 A. |
| 2 | Switch Emitter | passive | Emitter of the output switch transistor, rated 40 Vdc maximum (with pin 1 at 40 V). |
| 3 | Timing Capacitor | passive | Connection for the timing capacitor CT that sets the oscillator frequency (33 kHz typical with CT = 1.0 nF). |
| 4 | Gnd | power_in | Ground reference for the device. |
| 5 | Comparator Inverting Input | input | Inverting input of the comparator with a 1.25 V reference (threshold 1.225 to 1.275 V at 25C), input range -30 to +40 Vdc. |
| 6 | VCC | power_in | Power supply input, operating from 3.0 V to 40 V with an absolute maximum of 40 Vdc. |
| 7 | Ipk Sense | input | Peak current sense input for the current limit circuit, with a current limit sense voltage of 250 to 350 mV. |
| 8 | Driver Collector | passive | Collector of the driver transistor, rated 40 Vdc maximum and 100 mA maximum driver collector current. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HTCSEMI |
| Package | SOP-8-EP |
| Category | Power Management (PMIC) |
| Pins | 9 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Power Supply Voltage | VCC | 40 | Vdc | 1 | |||
| Comparator Input Voltage Range | VIR | -30 | 40 | Vdc | 1 | ||
| Switch Collector Voltage | VC(switch) | 40 | Vdc | 1 | |||
| Switch Emitter Voltage | VE(switch) | 40 | Vdc | VPIN1 = 40V | 1 | ||
| Switch Collector to Emitter Voltage | VCE(switch) | 40 | Vdc | 1 | |||
| Driver Collector Voltage | VC(driver) | 40 | Vdc | 1 | |||
| Driver Collector Current | IC(driver) | 100 | MA | 1 | |||
| Switch Current | ISW | 1.5 | A | 1 | |||
| Operating Junction Temperature | TJ | 150 | oC | 1 | |||
| Operating Ambient Temperature Range | TA | 0 | 70 | oC | 1 | ||
| Storage Temperature Range | Tstg | -65 | 150 | oC | 1 | ||
| Input Operating Voltage (Features) | VCC | 3 | 40 | V | Operation from 3.0V to 40V Input | 1 | |
| Frequency | fosc | 24 | 33 | 42 | kHz | Vpin5 = 0V, CT = 1.0nF, TA=25C | 2 |
| Charge Current | ICHG | 24 | 35 | 42 | A | Vcc=5.0 to 40 V, TA=25C | 2 |
| Discharge Current | IDISCHG | 140 | 220 | 260 | A | Vcc=5.0 to 40 V, TA=25C | 2 |
| Discharge To Charge Current Ratio | IDISCHG/ ICHG | 5.2 | 6.5 | 7.5 | 2 | ||
| Current Limit Sense Voltage | Vipk (sense) | 250 | 300 | 350 | mV | ICHG= IDISCHG, TA=25C | 2 |
| Saturation Voltage, Darlington Connection (pin 1, 8 connected) | VCE(SAT) | 1 | 1.3 | V | ISW=1A Vcc=5.0V, pin 1, 8 connected | 2 | |
| Saturation Voltage, Darlington Connection (pin8 = 82) | VCE(SAT) | 0.45 | 0.7 | V | ISW=1A Vcc=5.0V, pin8 = 82 | 2 | |
| DC Current Gain | hFE | 50 | 75 | ISW=1A Vcc=5.0V, TA=25C | 2 | ||
| Collector Off-State Current | IC(off) | 40 | 100 | A | VCE=40V | 2 | |
| Threshold Voltage (TA=25C) | Vth | 1.225 | 1.275 | V | TA=25C | 2 | |
| Threshold Voltage (TA=Tlow to Thigh) | Vth | 1.21 | 1.29 | V | TA=Tlow to Thigh | 2 | |
| Threshold Voltage Line Regulation | Regline | 1.4 | 5 | mV | Vcc=3.0V to 40V, TA=25C | 2 | |
| Input Bias Current | IIB | -20 | -400 | nA | VIN=0V | 2 | |
| Supply Current | Icc | 4 | mA | Vcc = 5.0 V to 40 V, CT = 1.0 nF, Pin 7 = VCC, Vpin 5 > Vth, Pin 2 = Gnd, remaining pins open | 2 |
CAD (KiCad official)
- Symbol:
HT84063AREZ - Footprint:
Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm - 3D model: SOP-8-EP (KiCad packages3D, STEP)
- 3D model files:
ht84063arez-etched.step/ht84063arez-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ht84063arez.step/ht84063arez.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HTCSEMI datasheet (8 pp, sha256
73e6555bc103d46b, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# HT84063AREZ
**HTCSEMI** · DC-DC Converters · SOP-8-EP
HT84063AREZ from HTCSEMI, in a SOP-8-EP. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Switch Collector | passive | Collector of the output switch transistor, rated 40 Vdc maximum with switch current up to 1.5 A. |
| 2 | Switch Emitter | passive | Emitter of the output switch transistor, rated 40 Vdc maximum (with pin 1 at 40 V). |
| 3 | Timing Capacitor | passive | Connection for the timing capacitor CT that sets the oscillator frequency (33 kHz typical with CT = 1.0 nF). |
| 4 | Gnd | power_in | Ground reference for the device. |
| 5 | Comparator Inverting Input | input | Inverting input of the comparator with a 1.25 V reference (threshold 1.225 to 1.275 V at 25C), input range -30 to +40 Vdc. |
| 6 | VCC | power_in | Power supply input, operating from 3.0 V to 40 V with an absolute maximum of 40 Vdc. |
| 7 | Ipk Sense | input | Peak current sense input for the current limit circuit, with a current limit sense voltage of 250 to 350 mV. |
| 8 | Driver Collector | passive | Collector of the driver transistor, rated 40 Vdc maximum and 100 mA maximum driver collector current. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HTCSEMI |
| Package | SOP-8-EP |
| Category | Power Management (PMIC) |
| Pins | 9 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Power Supply Voltage | VCC | | | 40 | Vdc | | 1 |
| Comparator Input Voltage Range | VIR | -30 | | 40 | Vdc | | 1 |
| Switch Collector Voltage | VC(switch) | | | 40 | Vdc | | 1 |
| Switch Emitter Voltage | VE(switch) | | | 40 | Vdc | VPIN1 = 40V | 1 |
| Switch Collector to Emitter Voltage | VCE(switch) | | | 40 | Vdc | | 1 |
| Driver Collector Voltage | VC(driver) | | | 40 | Vdc | | 1 |
| Driver Collector Current | IC(driver) | | | 100 | MA | | 1 |
| Switch Current | ISW | | | 1.5 | A | | 1 |
| Operating Junction Temperature | TJ | | | 150 | oC | | 1 |
| Operating Ambient Temperature Range | TA | 0 | | 70 | oC | | 1 |
| Storage Temperature Range | Tstg | -65 | | 150 | oC | | 1 |
| Input Operating Voltage (Features) | VCC | 3 | | 40 | V | Operation from 3.0V to 40V Input | 1 |
| Frequency | fosc | 24 | 33 | 42 | kHz | Vpin5 = 0V, CT = 1.0nF, TA=25C | 2 |
| Charge Current | ICHG | 24 | 35 | 42 | A | Vcc=5.0 to 40 V, TA=25C | 2 |
| Discharge Current | IDISCHG | 140 | 220 | 260 | A | Vcc=5.0 to 40 V, TA=25C | 2 |
| Discharge To Charge Current Ratio | IDISCHG/ ICHG | 5.2 | 6.5 | 7.5 | | | 2 |
| Current Limit Sense Voltage | Vipk (sense) | 250 | 300 | 350 | mV | ICHG= IDISCHG, TA=25C | 2 |
| Saturation Voltage, Darlington Connection (pin 1, 8 connected) | VCE(SAT) | | 1 | 1.3 | V | ISW=1A Vcc=5.0V, pin 1, 8 connected | 2 |
| Saturation Voltage, Darlington Connection (pin8 = 82) | VCE(SAT) | | 0.45 | 0.7 | V | ISW=1A Vcc=5.0V, pin8 = 82 | 2 |
| DC Current Gain | hFE | 50 | 75 | | | ISW=1A Vcc=5.0V, TA=25C | 2 |
| Collector Off-State Current | IC(off) | | 40 | 100 | A | VCE=40V | 2 |
| Threshold Voltage (TA=25C) | Vth | 1.225 | | 1.275 | V | TA=25C | 2 |
| Threshold Voltage (TA=Tlow to Thigh) | Vth | 1.21 | | 1.29 | V | TA=Tlow to Thigh | 2 |
| Threshold Voltage Line Regulation | Regline | | 1.4 | 5 | mV | Vcc=3.0V to 40V, TA=25C | 2 |
| Input Bias Current | IIB | | -20 | -400 | nA | VIN=0V | 2 |
| Supply Current | Icc | | | 4 | mA | Vcc = 5.0 V to 40 V, CT = 1.0 nF, Pin 7 = VCC, Vpin 5 > Vth, Pin 2 = Gnd, remaining pins open | 2 |
## CAD (KiCad official)
- Symbol: `HT84063AREZ`
- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm`
- 3D model: SOP-8-EP (KiCad packages3D, STEP)
- 3D model files: `ht84063arez-etched.step` / `ht84063arez-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ht84063arez.step` / `ht84063arez.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [HTCSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590221524835217409) (8 pp, sha256 `73e6555bc103d46b`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/ht84063arez-datasheet.pdf)