© 2021 ROHM Co., Ltd.

ROHM proposal for Lidar solution

Jan. 19th , 2021System Solution Engineering HeadquartersAnalog & Power FAE Div.Industrial and consumer Group

P. 1© 2021 ROHM Co., Ltd.

1. Lidar Application

業界標準Φ5.6パッケージ採用

Available in the industry-standard Φ5.6 package

Features

Applications

狭発光幅を実現

Narrow emission width

業界最高水準の良好な波長温度特性

Industry-leading wavelength temperature characteristics

レーザーレンジファインダ

LiDAR (Light Detection And Ranging)

自動搬送車

Industrial automation

セキュリティ

Security

Application Examples

使用例

Provides a Number of Advantages: Narrow Emission Width, High PCE, Minimal Wavelength Temperature Change

特長(狭発光幅、高PCE、波長温度変化小)

赤外高出力半導体レーザー (LiDAR用)

LiDAR用途や様々なセンサ光源に最適な赤外高出力レーザー

RLD90QZW series

Infrared High Output Laser Diodes (for LiDAR)

Optimized for LiDAR Applications and Sensor Light Sources

※ : 50ns pulse width, 0.05% duty ratio

高PCEを実現 (PCE:Power Conversion Efficiency)

High PCE (Power Conversion Efficiency)

Robot Vacuum

SLAM(Simulations Localization and Mapping)

Sensors in robot vacuums

AGV, Service Robot etc.Person detection at

platform doors

狭発光幅 高PCE 波長の温度変化小

Part No.λ

(nm)

Absolute Maximum Ratings

(Tc=25℃)

Electrical and Optical Characteristics

(Tc=25℃)Condition Po

(W)※IF

(A)

VR

(V)

ToprMax(℃)

ITH

(A)

Iop

(A)

Vop

(V)

Θ⊥(deg)

Θ//

(deg)

Emitting Area

(μm×μm)

RLD90QZW6 905 11 2 85 0.4 9 15 25 14 50×10 25

RLD90QZW5 905 11 2 85 0.4 9 13 25 12 70×10 25

RLD90QZWD 905 11 2 85 0.6 9 10 25 12 100×10 25

RLD90QZW3 905 30 3 85 0.9 27 14 25 10 225×10 75

RLD90QZW8 905 50 3 85 1.0 42 16 25 10 270×10 120

: Under Development

50μm

15 20 25 3010500

10

20

30

40

50

Current (A)

PC

E (

%)

省エネ・高信頼性

Energy saving •

High reliability

60

Tc (℃)

80 10040200900

905

910

915

920

925

930

Wa

vele

ngth

(n

m)

省エネ・高信頼性

Energy saving •

High reliability

LiDAR

Lineup

ラインアップ

Standard Laser Diode

0.25nm/℃

Competitor Laser Diode

ROHM

Low VF Laser Diode

発光幅狭Narrow Emission Width

LD

Lenz

発光幅広Wide Emission Width

LD

Lenz

出力光25Wの光強度分布例Example of Light Intensity Distribution at 25W Optical Output

-40

0

100

Op

tica

l In

ten

sity (

a.u

.)

-30 -20 -10 0 10 20 30 40

200

300

400

500

600

point (μm)

発光幅Emission Area

10μm

高精度・長距離

High accuracy •

Long distance

Narrow Emission Width High PCE Minimal Wavelength Temperature Change

ROHM

Low-Temperature-

Dependent Laser Diode

0.15nm/℃

Laser Diode part

P. 2© 2021 ROHM Co., Ltd.

1. Lidar Application

Laser Drive and Sensing part

System part Function Content Part number Vin(V) Vout(V) Accuracy（％） Iout(A)Laser Drive and Sensing LD Infrared High output Laser Diodes RLD90QZW series - - - -

Laser Drive and Sensing LDOAutomotive 0.5A Variable Output LDO Regulator

BD00IA5MEFJ-M 2.4-5.5 0.8-4.5 ±3 0.5

Laser Drive and Sensing ADCSuccessive Approximation A/D Converter 12bit, 0.5M to 1MSPS, 2.7 to 5.25V, 1-channel, SPITM Interface

BU79100G-LA 2.7-5.25 12bit0.5-1MSPSINL : -1.1 to 1DNL : -1 to 1

-

Laser Drive and SensingBUCK/BOOST CTL

Automatically Controlled Buck-Boost Switching Regulator -

BD9035AEFV-C 3.8-30 9.5- ±1.5 2

Laser Drive and Sensing MOSFET1.2V Drive Nch MOSFET (Level shifter circuit)

RUC002N05HZG VDS=50 - - ID=0.2

※BU79100G-LA is not automotive grade and customer sample will be released around end of Feb.Sample status : All products other than BU79100G-LA are MP state.

P. 3© 2021 ROHM Co., Ltd.

1. Lidar Application

Signal Control part

System part Function Content Part number Vin(V) Vout(V) Accuracy (%) Iout(A)

Signal Control BUCK Input 3.5 V to 36 V Output 2.5A 1ch Step-Down Regulator - BD90620EFJ-C 3.5-36 0.8-Vin ±2 2.5

Signal Control BUCKNano Pulse Control™, 3.5V to 40V Input, 2A Single 2.2MHz Buck DC/DC Converter For Automotive

BD9P205MUF-C 3.5-40 0.8-8.5 ±1.75 2

Signal Control LDO 1A Variable Output LDO Regulators BD00C0AW 4.6-26.5 1-15 ±3 1

Signal Control LDO 1ch 200mA CMOS LDO Regulator BUXXJA2DG-C 1.7-6 1-3.3 ±2 0.2

Signal Control LDO Ultra-Small Package FULL CMOS LDO Regulator BUXXJA2MNVX-C 1.7-6 1-3.3 ±2 0.2

Signal Control MOSFET Nch 45V 20A Power MOSFET RD3H200SNFRA VDS=45 - - ID=20

Signal Control PMIC 4CH Internal Power MOSFET System Switching Regulator - BD9866GUL 4.0-14 AdjustableCh1:3A, Ch2:2ACh3:1.5A, Ch4:3A

Signal Control PMIC Power Management IC for ADAS Applications BD39031MUF-C 4-28Ch1:3.3, Ch2:1.2Ch3:0.8-2.5, Ch4:5

Ch1: - , Ch2:2.5ACh3:2.5A, Ch4:0.5A

Signal Control VTT Termination Regulator for DDR-SDRAMs for DDR1,2,2L,3,3L BD35395FJ-M 2.7-5.5 0.5-1.375 ±13.5mV ±1

※BD9866GUL and BD35395FJ-M are not automotive grade. Sample status : All products are MP state.

P. 4© 2021 ROHM Co., Ltd.

1. Lidar Application

Interface part

System part Function Content Part number Vin(V) RateInterface CAN I/F CAN Transceiver for Automotive BD41041FJ-C 4.75-5.25 1MbpsInterface CAN I/F CAN FD Transceiver for Automotive BD41047FJ-C 4.75-5.25 5Mbps

※Sample status : All products are MP state.

P. 5© 2021 ROHM Co., Ltd.

1. Lidar Application

Power management part

System part Function Content Part number Vin(V) Vout(V) Accuracy（％） Iout(A)

Power Management BUCK Input 3.5 V to 36 V Output 2.5A 1ch Step-Down Regulator - BD90620EFJ-C 3.5-36 0.8-Vin ±2 2.5

Power Management BUCK Input 3.5 V to 36 V Output 4A 1ch Step-Down Regulator - BD90640EFJ-C 3.5-36 0.8-Vin ±2 4

Power Management BUCKNano Pulse Control™, 3.5V to 40V Input, 2A Single 2.2MHz Buck DC/DC Converter For Automotive

BD9P205MUF-C 3.5-40 0.8-8.5 ±1.75 2

Power Management BUCK2.7V to 5.5V Input, 4A Integrated MOSFET Single Synchronous Buck DC/DC Converter For Automotive

BD9S400MUF-C 2.7-5.5 0.8-Vinx0.8 ±1.5 4

Power Management LDO Automotive 0.5A Variable Output LDO Regulator BD00IA5MEFJ-M 2.4-5.5 0.8-4.5 ±3 0.5

Power Management LDO 1A Variable Output LDO Regulator BD00IC0WEFJ/HFV 2.4-5.5 0.8-4.5 ±1 1

Power Management LDO Automotive 0.5A Variable Output LDO Regulator BD50HA5MEFJ-M 4.5-8 5 ±3 0.5

Power Management LDO 1ch 200mA CMOS LDO Regulator BU33JA2DG-C 1.7-6 3.3 ±2 0.2

Power Management LDO Ultra-Small Package FULL CMOS LDO Regulator BU33JA2MNVX-C 1.7-6 3.3 ±2 0.2

Power Management LDO 1ch 200mA CMOS LDO Regulator BU33SD2MG-M 1.7-6 3.3 ±2 0.2

※Sample status : All products are MP state.

P. 6© 2021 ROHM Co., Ltd.

1. Lidar Application

Protection part

System part Function Content Part number Vin(V) Iout(A)

Protection IPD Built-in Output Diagnosis 1ch High Side Switch BV1HJ045EFJ-C 6-28 OCP min : 5

※Sample status : All products are MP state.

P. 7© 2021 ROHM Co., Ltd.

2-1. Primary Switching Regulator Line upPower Supply

P. 8© 2021 ROHM Co., Ltd.

2-2. Secondary Switching Regulator Line upPower Supply

P. 9© 2021 ROHM Co., Ltd.

2-3. Automotive Linear Regulator Line upPower Supply

Primary LDO Line up Secondary LDO Line up

P. 10© 2021 ROHM Co., Ltd.

3. BU79100G-LA 12bit 1MSPS SAR ADCADC

・ Long-term supply guarantee

・Sampling rate :1MSPS

・Low power consumption

・SSOP6 package compatible SOT23-6

・SPITM/QSPITM/MICROWIRETM I/F

・Supply voltage 2.7V～5.25V

・Output data: Straight binary

Features

SSOP6 2.9 x 2.8 x 1.25mm

Package Block Diagram

ROHM

BU79100G-LA

Supply voltage 2.7~5.25V

Operating Temp. -40~105℃

Current consumption 1.2mA max

Resolution 12bit

Sampling rate 1MSPS

DNL [LSB] ±1.0

INL [LSB] -1.1~1.0

ENOB [Bit] 11.5

THD -80dB

PackageSSOP6

(SOT23-6)

Specification

【DNL】

TRACK/HOLDVIN

SCLK

CSB

SDATA

CONTROL

LOGIC

12-BIT

SUCCESSIVE

APPROXIMATION

ADC

-1.00

-0.75

-0.50

-0.25

0.00

0.25

0.50

0.75

1.00

0 1024 2048 3072 4096

OUTPUT CODE

DN

L [

LS

B]

-1.00

-0.75

-0.50

-0.25

0.00

0.25

0.50

0.75

1.00

0 1024 2048 3072 4096

OUTPUT CODE

INL [

LS

B]

【INL】

Characteristics

Industrial standard ADC with low power

P. 11© 2021 ROHM Co., Ltd.

4-1. 190～250V Power MOSFETs for Industry & Consumer MPD

P. 12© 2021 ROHM Co., Ltd.

4-2. Nch-100V MOSFET Line Up for Industry & Consumer MPD

P. 13© 2021 ROHM Co., Ltd.

4-3. Nch-60V MOSFET Line Up for Industry & Consumer MPD

P. 14© 2021 ROHM Co., Ltd.

4-4. Nch-40V MOSFET Line Up for Industry & Consumer MPD

P. 15© 2021 ROHM Co., Ltd.

4-5. Pch-60V MOSFET Line Up for Industry & Consumer MPD

© 2021 ROHM Co., Ltd.