component
NCV78702MW0AR2G
Public Made by Adomby adom
onsemi LED Drivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownNCV78702MW0AR2G
onsemi · LED Drivers · QFN-24-EP(4x4)
NCV78702MW0AR2G from onsemi, in a QFN-24-EP(4x4). 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 | NC | unconnected | Not connected on the MW0A variant (Table 2 lists NC). |
| 2 | VGATE1 | output | Booster MOSFET gate pre-driver output (medium voltage); the VDRIVE/VGATE1/VGATE2 absolute maximum is 12 V (Table 3, note 6). |
| 3 | VGATE2 | output | Booster MOSFET gate pre-driver output (medium voltage); the VDRIVE/VGATE1/VGATE2 absolute maximum is 12 V (Table 3, note 6). |
| 4 | NC | unconnected | Not connected on the MW0A variant (Table 2 lists NC). |
| 5 | NC | unconnected | Not connected on the MW0A variant (Table 2 lists NC). |
| 6 | NC | unconnected | Not connected on the MW0A variant (Table 2 lists NC). |
| 7 | GNDP | power_in | Power ground for the VGATE gate driver; GND and GNDP must be connected together close to the device. |
| 8 | IBSTSENSE1+ | input | Coil 1 current positive feedback input; input current sense voltage absolute range is -1.0 to 12 V, recommended -0.1 to 1 V. |
| 9 | IBSTSENSE1− | input | Coil 1 current negative feedback input; input current sense voltage absolute range is -1.0 to 12 V, recommended -0.1 to 1 V. |
| 10 | IBSTSENSE2+ | input | Coil 2 current positive feedback input; input current sense voltage absolute range is -1.0 to 12 V, recommended -0.1 to 1 V. |
| 11 | IBSTSENSE2− | input | Coil 2 current negative feedback input; input current sense voltage absolute range is -1.0 to 12 V, recommended -0.1 to 1 V. |
| 12 | FSO/ENABLE2 | input | Fail Save Operating / ENABLE2 input (medium voltage); medium-voltage IO absolute maximum is -0.3 to 6.5 V. |
| 13 | SCLK/TST2 | input | SPI clock input, also TST2 IO (medium voltage); medium-voltage IO absolute maximum is -0.3 to 6.5 V. |
| 14 | CSB/SCS | input | SPI chip select input (chip select bar, medium voltage); medium-voltage IO absolute maximum is -0.3 to 6.5 V. |
| 15 | SDI | input | SPI data input (medium voltage); medium-voltage IO absolute maximum is -0.3 to 6.5 V. |
| 16 | SDO | output | SPI data output, open-drain with pull-up (medium voltage); the R_SDO pull-up is 1 kΩ typical and the medium-voltage IO absolute maximum is -0.3 to 6.5 V. |
| 17 | BSTSYNC/TST/TST1 | input | External clock input for the boost regulator, TM entry and TST1 IO (high voltage); absolute maximum follows the VBB rating of -0.3 to 36 V (Table 3, note 4). |
| 18 | ENABLE1 | input | ENABLE1 input (medium voltage, 5 V tolerant); medium-voltage IO absolute maximum is -0.3 to 6.5 V. |
| 19 | VBOOSTDIV | input | Booster high-voltage feedback input; absolute maximum is -0.3 to 36 V (Table 3, note 4) and the feedback divider ratio must be 34. |
| 20 | COMP | bidirectional | Compensation pin for the boost regulator (low voltage); absolute maximum is -0.3 to 3.6 V (Table 3, note 5). |
| 21 | GND | power_in | Ground for the signal (low power) functions; must be connected to GNDP. |
| 22 | VDD | power_in | 3 V logic supply; recommended range 3.1 V to 3.5 V with absolute maximum -0.3 V to 3.6 V. |
| 23 | VDRIVE | power_in | 10 V gate driver supply (medium voltage) derived from VBB; absolute maximum is -0.3 V to 12 V. |
| 24 | VBB | power_in | Battery supply (high voltage); recommended range 5 V to 30 V with absolute maximum 36 V (40 V for less than 0.5 s). |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | QFN-24-EP(4x4) |
| Category | LED Drivers |
| Pins | 25 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Battery supply voltage | VBB | -0.3 | 36 | V | Note 3: 40 V allowed for limited time < 0.5 s | 5 | |
| Logic supply voltage | VDD | -0.3 | 3.6 | V | 5 | ||
| Gate driver supply voltage | VDRIVE | -0.3 | 12 | V | 5 | ||
| Input current sense voltage | IBSTSENSEPx, IBSTSENSENx | -1 | 12 | V | 5 | ||
| Medium voltage IO pins | IOMV | -0.3 | 6.5 | V | 5 | ||
| Storage Temperature | TSTRG | -50 | 150 | °C | Note 9: up to 100 hours; otherwise max 85 °C | 5 | |
| Electrostatic Discharge, Human Body Model | VESD_HBM | -2 | 2 | kV | Human Body Model | 5 | |
| Electrostatic Discharge, Charge Device Model | VESD_CDM | -500 | 500 | V | Charge Device Model | 5 | |
| Battery supply voltage | VBB | 5 | 30 | V | 5 | ||
| Logic supply voltage | VDD | 3.1 | 3.5 | V | Note 14: VBB > 5 V | 5 | |
| Medium voltage IO pins | IOMV | 0 | 5 | V | 5 | ||
| Input current sense voltage | IBSTSENSEPx, IBSTSENSENx | -0.1 | 1 | V | 5 | ||
| Functional operating junction temperature range | TJF | -45 | 155 | °C | 5 | ||
| Parametric operating junction temperature range | TJP | -40 | 150 | °C | 5 | ||
| Thermal Shutdown | TSD | 165 | 170 | 175 | °C | 6 | |
| Thermal Warning | TW | 155 | 160 | 165 | °C | 6 | |
| VDRIVE reg. voltage from VBB (setpoint 1111) | VDRV_15 | 9.7 | 10.1 | 10.7 | V | VDRIVE_VSETPOINT = 1111, Vbb − VDRIVE > 0.5 V, @IDRIVE = 90 mA | 6 |
| VDRIVE reg. voltage from VBB (setpoint 0000) | VDRV_00 | 4.8 | 5 | 5.3 | V | VDRIVE_VSETPOINT = 0000, Vbb − VDRIVE > 0.5 V @IDRIVE = 90 mA | 6 |
| DC output current consumption | VDRV_ILIM | 0 | 90 | mA | 6 | ||
| Output current limitation | VDRV_BB_IL | 90 | 500 | mA | 6 | ||
| VDRIVE UV detection delay | VDRV_UV_DL | 5 | 35 | s | 7 | ||
| VDD regulator output voltage | VDD | 3.135 | 3.465 | V | Vbb > 5 V | 7 | |
| Output current limitation | VDD_ILIM | 60 | 350 | mA | 7 | ||
| POR toggle level on VDD rising | POR3V_H | 2.55 | 3.05 | V | 7 | ||
| POR toggle level on VDD falling | POR3V_L | 2.3 | 2.8 | V | 7 | ||
| POR threshold on VBB, VBB rising | POR_VBB_H | 3.8 | 4.3 | V | Applicable only during startup (VBB is rising) | 7 | |
| VBB range for OTP_FAIL flag during OTP programming | VBB_OTP_L | 13.2 | 14.1 | 15 | V | 7 | |
| System oscillator frequency | FOSC10M | 7 | 10 | 13 | MHz | 7 | |
| Booster overvoltage shutdown | BST_OV_127 | 63.8 | 65.85 | 67.9 | V | BOOST_OVERVOLTSD_THR = 1111111, DC level | 7 |
| Booster overvoltage shutdown | BST_OV_022 | 11 | 11.5 | 12 | V | BOOST_OVERVOLTSD_THR = 0010110, DC level | 7 |
| Booster overvoltage re-activation | BST_RA_3 | -1.9 | -1.5 | -1.1 | V | BOOST_OV_REACT = 11, V to the Vboost reg. overvoltage protection, DC level | 8 |
| Booster undervoltage protection (external divider fail state detection) | BST_EA_UV | 3.45 | 3.95 | 4.45 | V | 8 | |
| Booster regulation level | BST_REG_125 | 62.8 | 64.8 | 66.8 | V | BOOST_VSETPOINT = 1111101, DC level | 8 |
| Booster regulation level | BST_REG_022 | 10.8 | 11.5 | 12.2 | V | BOOST_VSETPOINT = 0010110, DC level | 8 |
| Transconductance gain of Error amplifier | BST_EA_GM3 | 63 | 90 | 117 | S | BOOST_OTA_GAIN = 11, seen from VBOOST, DC value | 8 |
| Transconductance gain of Error amplifier | BST_EA_GM2 | 42 | 60 | 78 | S | BOOST_OTA_GAIN = 10, seen from VBOOST, DC value | 8 |
| Transconductance gain of Error amplifier | BST_EA_GM1 | 21 | 30 | 39 | S | BOOST_OTA_GAIN = 01, seen from VBOOST, DC value | 8 |
| Output leakage current in tri-state | EA_ILEAK | -1 | 1 | A | Output in tri-state (EA_GM0) | 8 | |
| EA max output voltage_3 | COMP_CLH_3 | 2.1 | 2.26 | V | BOOST_SLPCTRL[2]=1, OR of all BOOST_VLIMTHx[1]=1 | 8 | |
| Booster VBOOSTDIV pin input pull up current | BST_EA_DIV_INI | 0.4 | 0.8 | 1.4 | A | Pull current source towards to VDD voltage | 8 |
| Booster minimum OFF time | BST_TOFF_7 | 780 | 1200 | 1620 | ns | VBOOST_TOFF_SET = 111, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum OFF time | BST_TOFF_6 | 300 | 460 | 620 | ns | VBOOST_TOFF_SET = 110, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum OFF time | BST_TOFF_5 | 260 | 400 | 540 | ns | VBOOST_TOFF_SET = 101, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum OFF time | BST_TOFF_4 | 220 | 340 | 460 | ns | VBOOST_TOFF_SET = 100, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum OFF time | BST_TOFF_3 | 180 | 280 | 380 | ns | VBOOST_TOFF_SET = 011, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum OFF time | BST_TOFF_2 | 140 | 220 | 300 | ns | VBOOST_TOFF_SET = 010, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum OFF time | BST_TOFF_1 | 100 | 160 | 220 | ns | VBOOST_TOFF_SET = 001, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum OFF time | BST_TOFF_0 | 60 | 100 | 140 | ns | VBOOST_TOFF_SET = 000, time from VGATE below VBOOST_VGATE_THR | 9 |
| Booster minimum ON time | BST_TON_7 | 330 | 530 | 730 | ns | VBOOST_TON_SET = 111, time from internal signal for VGATE drive | 9 |
| Booster minimum ON time | BST_TON_6 | 300 | 480 | 660 | ns | VBOOST_TON_SET = 110, time from internal signal for VGATE drive | 9 |
| Booster minimum ON time | BST_TON_5 | 270 | 430 | 590 | ns | VBOOST_TON_SET = 101, time from internal signal for VGATE drive | 9 |
| Booster minimum ON time | BST_TON_4 | 240 | 380 | 520 | ns | VBOOST_TON_SET = 100, time from internal signal for VGATE drive | 9 |
| Booster minimum ON time | BST_TON_3 | 210 | 330 | 450 | ns | VBOOST_TON_SET = 011, time from internal signal for VGATE drive | 9 |
| Booster minimum ON time | BST_TON_2 | 180 | 280 | 380 | ns | VBOOST_TON_SET = 010, time from internal signal for VGATE drive | 9 |
| Booster minimum ON time | BST_TON_1 | 150 | 230 | 310 | ns | VBOOST_TON_SET = 001, time from internal signal for VGATE drive | 9 |
| Booster minimum ON time | BST_TON_0 | 120 | 180 | 240 | ns | VBOOST_TON_SET = 000, time from internal signal for VGATE drive | 9 |
| Current comparator for Imax detection | BST_VLIMTHx_3 | 95 | 100 | 105 | mV | BOOST_VLIMTHx = 11, DC level of threshold voltage | 10 |
| Current comparator for Imax detection | BST_VLIMTHx_2 | 75 | 80 | 85 | mV | BOOST_VLIMTHx = 10, DC level of threshold voltage | 10 |
| Current comparator for Imax detection | BST_VLIMTHx_1 | 57 | 62.5 | 67 | mV | BOOST_VLIMTHx = 01, DC level of threshold voltage | 10 |
| Current comparator for Imax detection | BST_VLIMTHx_0 | 45 | 50 | 55 | mV | BOOST_VLIMTHx = 00, DC level of threshold voltage | 10 |
CAD (KiCad official)
- Symbol:
NCV78702MW0AR2G - Footprint:
Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm - 3D model: QFN-24-EP(4x4) (KiCad packages3D, STEP)
- 3D model files:
ncv78702mw0ar2g-etched.step/ncv78702mw0ar2g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ncv78702mw0ar2g.step/ncv78702mw0ar2g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (34 pp, sha256
2a90efc317e1e522, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).