Stock Ticker：688141

2025 Q3

Automotive Boost Converter

Automotive Boost Controller

Automotive Buck-boost Controller

Automotive Power Module

Automotive DrMOS

Automotive LED Backlight Driver

Automotive LDO

Automotive Gate Driver

Automotive Amplifier

More Automotive Chips……

Automotive Load Switch and

USB Switch

Automotive High Side Power

Switch

Automotive LED Linear Solution

Automotive Buck Controller

Automotive Buck Converter

Automotive Comparators

Automotive Buck-boost Converter

Automotive Flyback Converter

Automotive USB Charger

Automotive CAN

Stock Ticker：688141

JoulWatt Automotive Product Introduction 1

JoulWatt Technology Co., Ltd.

Automotive Buck Controller 5

Automotive Buck-boost Converter 6

Automotive Load Switch and USB Switch 6

Automotive LDO 7

Automotive Boost Converter 5

Automotive Gate Driver 7

Automotive DrMOS 6

Automotive Buck Converter 5

Automotive High Side Power Switch 7

Hero Products ：JWQ52993 3

Hero Products ：JWQ5156 3

Hero Products ：JWQM93902 4

Automotive Power Module 6

Automotive Boost Controller 5

Automotive LED Backlight Driver 6

Automotive Comparators 7

Automotive Amplifier 7

Automotive CAN 8

Automotive LED Linear Solution 7

Automotive Buck-boost Controller 5

Automotive Flyback Converter 6

Automotive USB Charger 6

JoulWatt Products for Automotive Electronics

JoulWatt provides various automotive products in highest level quality standard, which

applied in complex applicationenvironments such as automotive and so on. A wide

product portfolio provides engineers design flexibility in intelligent cockpit, ADAS,EV

power and other automotive electronic applications. JoulWatt has wide automotive

product categories including BUCK, BOOST, BUCK-BOOST, LDO, LED driver，gate

drivers, PMIC，Vcore power，and CAN interface.

Why choose JW for Automotive?

Higher efficiency and more compact packaging.

Better EMI characteristics and simplified design.

Higher security, designed to meet functional

safety and reliability.

A more comprehensive product matrix,

providing one-stop services.

1

Hero Product

Recommendations

JWQ52993

JWQ5156

36V /2A Power Module JWQM93902A

36V/6A Low IQ, Sync-Buck with FSS

6V/3A, 2MHz Syn. Buck

2

Automotive Products

JoulWatt automotive-grade products undergo strict quality

certification control and can be applied in complex application

environments such as automobiles. A wide range of product

categories help engineers flexibly apply intelligent cockpit,

intelligent electrification, and advanced driving assistance

systems(ADAS) projects, including automotive switching DC/DC

power supplies, automotive gate drivers, automotive linear power

supplies, and automotive Vcore power.

Performance

COT Control

Power Good (PG)

Internal Soft-Start

2.7V to 6V Operating Input Range

Optional 2A JW52992(P2P)

AEC-Q100 Grade 1 Qualified

3A Output Current

Output Voltage as Low as 0.45V

0.5% FB Accuracy

Very-Low RDS for Good Thermal

High Efficiency at Light Load

2MHz Switching Frequency

100% Duty Cycle

Output Discharge

Compact DFN1.5X1.5-6 Package

ADAS

Infotainment and Cluster

Hybrid, Electric, and

Powertrain Systems

Body Electronics and Lighting

JWQ52993 6V/3A, 2MHz Syn. Buck

Wide Output Voltage Range

(Support LDDR5 Applications)

Good Thermal Performance

High Efficiency

Small Size

High Output Voltage Accuracy

Bottom View

1

2

3 4

5

6

L

EN

SW

GND

VIN

JWQ52993 FB

VOUT

COUT

CIN

RL

RH

OFFON

VIN

Cff

POK

VCC

RPG

Key Features Application Fields Benefits

Hero Products

3

JWQ5156 36V/6A Low IQ, Sync-Buck with FSS

Available in a VQFN4.0x3.5-14L

Package with Wettable Flank

AEC-Q100 Grade 1 Qualified

FSS for Better EMI Performance

– 3.95V to 36V

Extremely Low Quiescent Current

with External Bias Power Supply

6A Continuous Output Current

35ns Minimum On Time

– 3V to 36V (After Start-up)

Integrated 40mΩ/20mΩ Power

MOSFETs

200kHz to 2.2MHz Programmable

Frequency

Wide Input Voltage Range

Key Features Benefits

Low IQ and Dropout

Good EMI Performance

High Efficiency and Small Size

Camera Good Thermal Performance

Cluster

Infotainment

Tbox

Application Fields

4

Low Dropout Mode

Selectable PSM/FCCM at Light Load

4V to 36V Wide Operating Input Range

QFN4*5mm

2A Continuous Load Current

AEC-Q104 Qualified

2.2MHz Switching Frequency

Built-In Spread-Spectrum Frequency Modulation

for Low EMI

Low Quiescent Current : 30uA

36V /2A Power Module

JWQM93902

Low IQ and Dropout

Small Size

Good EMI Performance

Key Features

Benefits

Hero Products

EMI Performance

L Line

15dB

CISPR25

C5

15dB

CISPR25

C5 N Line

Application Fields

Cin Cout JWQM93902

JoulWatt FB

EN

Lamp Driver

Cluster

Camera

TBox

5

Automotive Buck Controller

P/N Topology VIN (V) VOUT (V) VFB(V) FSW (kHz) IQ(uA) Features Package

JWQ6346A Buck 6~75 0.8~Dmax·VIN 0.8 100~1000 600 QFN3.5×4.5-20

Light Load Selectable(PFM/FCC)

MOSFET Gate Driver Voltage

Selectable(7.5V/10V)

Automotive Boost Controller

P/N Topology VIN (V) VOUT

(V) VFB(V) FSW (kHz) IQ(uA) Features Package

JWQ5583 Boost,

Flyback, Sepic

3~50 External 1.275 100~1000 1.5

Automotive Wide Input

Non-synchronous Boost,

SEPIC, Flyback Controller

MSOP10

Automotive Boost Converter

P/N Regulated

Outputs

VIN (V) VOUT

(V)

IMax. Switch

Current

(A)

VFB(V) IQ(uA) FSW (kHz) Soft Start Light Load Sync

Control

Method

JWQ5513 1 2.8~20 4~20 15 1 80 400-2000 Internal PFM/PWM/USM Y COT

Automotive Buck-boost Controller

P/N Topology VIN (V) VOUT

(V) VFB(V) FSW (kHz) IQ(uA) Features Package

JWQ3760 Buck-boost 5~60 1.2~60 1.2 180~400 3500 Automotive 60V 4-Switch

Buck-boost Controller QFN5×5-32

Automotive Buck Converter

P/N Regulated

Outputs

VIN (V) IOUT(A) VFB(V) IQ(uA) FSW (kHz) Power

Good Soft Start Light

Load Sync

Control

Method

Package

JWQ5217 1 2.5~5.5 2 0.45 30 2000 Y Internal PFM Y COT DFN2×2-8

JWQ5273 1 2.95~7 3 0.6 210 400~2400 Y Adjustable FCCM Y COT QFN3×3-16

JWQ52993 1 2.7~6 3 0.45 60 2000 Y Internal PFM Y COT DFN1.5×1.5-6

JWQ5276 1 2.95~7 6 0.6 210 400~2400 Y Adjustable FCCM Y COT QFN3×3-16

JWQ5102AS 1 4~36V 2 0.8 45 410 Y Internal PFM Y PCM QFN3×2-12

JWQ5102BS 1 4~36V 2 0.8 45 1000 Y Internal PFM Y PCM QFN3×2-12

JWQ5102CS 1 4~36V 2 0.8 45 2100 Y Internal PFM Y PCM QFN3×2-12

JWQ5102CSF 1 4~36V 2 0.8 45 2100 Y Internal FCCM Y PCM QFN3×2-12

JWQ5103AS 1 4~36V 3 0.8 45 410 Y Internal PFM Y PCM QFN3×2-12

JWQ5103BS 1 4~36V 3 0.8 45 1000 Y Internal PFM Y PCM QFN3×2-12

JWQ5103CS 1 4~36V 3 0.8 45 2100 Y Internal PFM Y PCM QFN3×2-12

JWQ5103CSF 1 4~36V 3 0.8 45 2100 Y Internal FCCM Y PCM QFN3×2-12

JWQ5123 1 4.5~60 3.5 0.75 180 100~2000 N Internal PFM N PCM ESOP8

JWQ5125 1 4.5~60 5 0.75 180 100~2000 N Internal PFM N PCM ESOP8

JWQ5125A 1 4.5~60 5 0.75 180 100~2000 N Internal PFM N PCM&FSS ESOP8

JWQ5141 1 6~100 1 1.25 160 100~1000 N Internal PFM Y COT ESOP8

JWQ52992 1 2.7~6 2 0.45 60 2000 Y Internal PFM Y COT DFN1.5×1.5-6

JWQ5279 1 2.7~8 20 0.6 550 700/800/1000 Y Adjustable FCCM Y COT QFN3×4-21

JWQ5154 1 4~36 4 1 2.6 200~2200 Y Internal PFM Y PCM EVQFN4.0×3.5

JWQ5156 1 4~36 6 1 2.6 200~2200 Y Internal PFM Y PCM EVQFN4.0×3.5

JWQ5155 1 4~36 5 1 2.6 200~2200 Y Internal PFM Y PCM EVQFN4.0×3.5

JWQ52993F 1 2.7~6 3 0.45 60 2000 Y Internal FCCM Y COT DFN1.5×1.5-6

JWQ5278 1 2.7~8 14 0.6 550 700/800/1000 Y Adjustable FCCM Y COT QFN3×4-21

JWQ5157 1 4~36 7 1 2.6 200~2200 Y Internal PFM Y PCM EVQFN4.0×3.5

6

Automotive DrMOS

P/N VIN (V) HS Current

Limit(A)

Max FSW

(kHz)

PWM Logic

Voltage(V) Feature Package

JWQ7065 3~16 75 1000 3.3 Compatible with mainstream

controller LGA5×6-41

Automotive LED Backlight Driver

P/N Control

Interface

Min Dimming

Duty (%) VIN (V) Vout

(max) (V)

FSW

(kHz)

Max. Switch

Current (A) Package

JWQ1149A 4 PWM/SMBus 0.392 4.5~36 60 200~900 3.6 EWDFN5×5-16

Max current per

Channel（mA)

180

Number of

Channels

Automotive Buck-boost Converter

P/N VIN (V) VOUT (V) VFB(V) FSW (kHz) IQ(uA) Features Package

JWQ3658 3.4~28

(40 transient)

1~21 0.2~1 200~1000 380 Automotive 4-Switch

Buck-Boost Converter for USB Type C / PD QFN4×5-21

IOUT (A)

6

Output Default

JWQ3658C 1~21 6 0.2~1 200~1000 380 QFN4×5-21

Disabled

Enabled 3.4~28

(40 transient)

Automotive 4-Switch

Buck-Boost Converter with I C Interface 2

Automotive Flyback Converter

P/N VIN (V) Topology RDSON(ohm) Package

JWQ3510 5-38 Flyback 6 0.5 350 Internal Opto-Free, EN control SOT23-5

Max Power(W) FSW MAX(kHz) Soft Start Features

JWQ3511 3.5-48 Flyback 6 0.44 400 Internal Opto-Free, EN control SOT23-5

Automotive Power Module

P/N Function VIN (V) IOUT (A) IQ (uA) Package

JWQM93902 Step-Down 4~36 2 0.8 45 2100 Y Internal PSM N QFN4×5×2-21

VFB(V) FSW (kHz) Power

Good Soft Start Light Load Isolated

JWQM93902F Step-Down 4~36 2 0.8 45 2100 Y Internal FCCM N QFN4×5×2-21

JWQM93905 Step-Down 4~37 5 0.8 11 2200 Y Internal PSM N LGA5×8×4.38

Automotive USB Charger

P/N VIN (V) VOUT (V) IOUT(A) Structure

Support

Apple

MFI

Support

Polarity

Detect

Support

Fault

Detect

Protocol

BC1.2 Application Package

CDP

BC1.2

DCP

Apple

2.4A

SAMSUNG

2A QC2.0 QC3.0 Type-C

3A PD SCP UFCS

JWQ4081C 4V-25V (40V

Transient) 5V 3A

Buck +

Charge

Controller

Y N Y

Automotive

Head Unit

Automotive

Media

EVQFN 4×4-22

JWQ4081P 4V-25V (40V

Transient) 5V 3A

Buck +

Charge

Controller

Y Y N

Automotive

Head Unit

Automotive

Media Hub

EVQFN 4×4-22

JWQ4081D 4V-25V (40V

Transient) 5V 3A

Buck +

Charge

Controller

Y N N

Automotive

USB Charger;

Automotive

Media Hub

EVQFN 4×4-22

JWQ4081Q 4V-25V (40V

Transient) 5V-12V 3A

Buck +

Charge

Controller

Y N N (PD w/o

PPS)

Automotive

USB Charger;

Automotive

Media Hub

EVQFN 4×4-22

JWQ3119Q 2.9V-24V 3.3V-21V NA Charge

Controller NA Y Y (PD3.2 w/

AVS, PPS)

Automotive

USB Charger;

Automotive

Media Hub

EVQFN 4×4-24

Automotive Load Switch and USB Switch

P/N Channel VIN (V) Max IOUT (A) IQ (uA) Soft Start Enable

Fault

Indicator

Programmable

Current Limit

OCP Package

JWQ7101 1 2.7~5.5 1.7 100 Internal Active High Y Y Y SOT23-6

JWQ7101C 1 2.7~5.5 1.7 100 Internal Active High Y Y Y SOT23-6

7

Automotive Comparators

P/N Ratings Channel Vcc

(V)

Iq/channel

(uA, Typ)

Input Bias

Current

(pA, Typ)

Vos @ 25C

(mV, Typ)

Hysteresis

(mV, Typ)

Tpd(ns)

@20mV

Overdrive

Tpd(ns)

@100mV

Overdrive

Rise

Time(ns)

Fall

Time(ns)

Output

Type

Short-Circuit

Current

(mA, Typ)

Package

JWQ29021 Automotive 1 1.8~5.5 60 14 2 0.6 47 42 7 5 Push-pull 50 SOT23-5

JWQ29902 Automotive 2 2.5~36 130 1 ±0.3 / 1400 / / / Open-drain 50 SOP8,TSSOP8,MSOP8

Automotive Gate Driver

P/N Channel Configuration Capacity ( SRC/ SNK, A) Supply Range(V) Propagation Delay(ns) Delay Match(ns) Package

JWQ7924 2 Low-side 4.5/ 4.5 4.5~20 13 0.5 SOP8 / ESOP8

Automotive High Side Power Switch

P/N Channel Input Withstand

Voltage(V) OCP(A) Diagnosis Package

JWQ71845 4 40 50 27 Open -Load Detection, OTP HTSSOP -16

JWQ71910 1 40 90 18 Open -Load Detection, OTP SO-8

R DSON (mohm@25C)

Automotive Amplifier

P/N Ratings Channel Vcc

(V) Rail-to-rail Iq/channel

(uA, Typ)

Input Bias

Current

(pA, Typ)

GBW

(MHz,

Typ)

Slew Rate

(V/us, Typ)

Vos at 25C

(mV, Max)

Vn

(nV/rtHz,

Typ)

Unit-gain

Stable Package

JWQ29001A Automotive 1 1.8~5.5 In, Out 60 5 1 2.4 2 35 @ 1kHz Y SOT23-5, SOT353, X2DFN

JWQ29002A Automotive 2 1.8~5.5 In, Out 60 5 1 2.4 2 35 @ 1kHz Y VDFN2×2-8,SOP8,MSOP8

JWQ29004A Automotive 4 1.8~5.5 In, Out 60 5 1 2.4 2 35 @ 1kHz Y TSSOP14,SOP14

JWQ29081 Automotive 1 3~36 Out 680 10 3.5 15 0.5 30 @ 1kHz Y SOT23-5

JWQ29082 Automotive 2 3~36 Out 680 10 3.5 15 0.5 30 @ 1kHz Y TSSOP8,SOP8,MSOP8

JWQ29084 Automotive 4 3~36 Out 680 10 3.5 15 0.5 30 @ 1kHz Y SOP14

Automotive LED Linear Solution

P/N MOS Channels Max IOUT(mA) CAN/UART

interface Dimming Constant Power Operating

tempreture Package

JWQ11711 1 4.5~40 500 N/A PWM Y EMSOP8

JWQ11724 24 4.5~40 150 Y PWM Y HTSSOP38

–40℃ to +125℃

–40℃ to +125℃

VIN (V)

Automotive LDO

P/N IOUT

( mA ) Output Options Features Package

JWQ7821 2.2~5.5 1000 Adjustable Enable, Thermal Shutdown,

Current Limit, Low noise, High PSRR

DFN3×3-8

JWQ7821A 2.2~5.5 1000 Adjustable DFN3×3-8

JWQ7830 2.7~20 300 Adjustable ESOP8

JWQ7843 3.2~40 300 Fixed 3.3V/5V ESOP8/SOT223/SOT89-5

JWQ7853 3~40 300

IQ ( uA )

JWQ7806 2.2~5.5 300 Fixed Vout from

1.2-4.5V

Enable, Thermal Shutdown, Current Limit,

Low Noise, High PSRR, Low IQ

EWDFN2×2-6/SOT

23-5/X2DFN1×1-4

11

200

100

60

17.5

17.5 Tracker from 2V to 14V ESOP8

JWQ7841 4-40V 150 15 Fixed 3.3V/5V SOT223/SOT23-5

Enable, Thermal Shutdown,

Current Limit, Low noise, High PSRR

Enable, Thermal Shutdown,

Current Limit, Low noise, High PSRR

Thermal Shutdown, Current Limit,

Low IQ, High PSRR

Enable, Thermal Shutdown,

Current Limit, Low IQ, High PSRR

Enable, Thermal Shutdown,

Current Limit, Low IQ, High PSRR

JWQ78482 4.5~40 300 600 Adjustable HTSSOP16

Dual Channel，Enable, Thermal Shutdown,

Current Limit, Reverse Polarity Protection,

Reverse Current Protection,

Current Sense with Fault Indicator

VIN (V)

JWQ7809 2.2~5.5 500 Fixed Vout from

1.2-4.5V

Enable, Thermal Shutdown, Current Limit,

Low Noise, High PSRR, Low IQ

11 EWDFN2×2-6/SOT23-5

8

Automotive CAN

P/N Rating Feature Data rate

(Mbps)

Vcc

(V)

VIO

(V)

Loop Delay

(ns, Typ)

Bus fault

Protection

(V)

RX Common

Mode Voltage

(V)

TDOM

(ms, Typ)

BUS ESD

(HBM)

(kV)

BUS ESD

(IEC-Contact)

(kV)

Package

JWQ21042 Automotive Standby, VIO 5 4.5~5.5 3.0~5.5 148 ± 70 ± 30 5 ± 16 ± 15 SOP8

JWQ21042N Automotive Standby 5 4.5~5.5 3.0~5.5 148 ± 70 ± 30 5 ± 16 ± 15 SOP8

JoulWatt Technology Co., Ltd.

service@joulwatt.com (Complaints and Suggestions)

sales_global@joulwatt.com (Product Enquiry)

0571-89807321-816

www.joulwatt.com

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