JAJSFY1A
August 2018 – June 2019
DRV8350
,
DRV8350R
,
DRV8353
,
DRV8353R
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
概略回路図
4
改訂履歴
5
概要(続き)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin Functions—32-Pin DRV8350 Devices
Pin Functions—48-Pin DRV8350R Devices
Pin Functions—40-Pin DRV8353 Devices
Pin Functions—48-Pin DRV8353R Devices
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
SPI Timing Requirements
8.7
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Three Phase Smart Gate Drivers
9.3.1.1
PWM Control Modes
9.3.1.1.1
6x PWM Mode (PWM_MODE = 00b or MODE Pin Tied to AGND)
9.3.1.1.2
3x PWM Mode (PWM_MODE = 01b or MODE Pin = 47 kΩ to AGND)
9.3.1.1.3
1x PWM Mode (PWM_MODE = 10b or MODE Pin = Hi-Z)
9.3.1.1.4
Independent PWM Mode (PWM_MODE = 11b or MODE Pin Tied to DVDD)
9.3.1.2
Device Interface Modes
9.3.1.2.1
Serial Peripheral Interface (SPI)
9.3.1.2.2
Hardware Interface
9.3.1.3
Gate Driver Voltage Supplies and Input Supply Configurations
9.3.1.4
Smart Gate Drive Architecture
9.3.1.4.1
IDRIVE: MOSFET Slew-Rate Control
9.3.1.4.2
TDRIVE: MOSFET Gate Drive Control
9.3.1.4.3
Propagation Delay
9.3.1.4.4
MOSFET VDS Monitors
9.3.1.4.5
VDRAIN Sense and Reference Pin
9.3.2
DVDD Linear Voltage Regulator
9.3.3
Pin Diagrams
9.3.4
Low-Side Current-Shunt Amplifiers (DRV8353 and DRV8353R Only)
9.3.4.1
Bidirectional Current Sense Operation
9.3.4.2
Unidirectional Current Sense Operation (SPI only)
9.3.4.3
Amplifier Calibration Modes
9.3.4.4
MOSFET VDS Sense Mode (SPI Only)
9.3.5
Step-Down Buck Regulator
9.3.5.1
Functional Block Diagram
9.3.5.2
Feature Description
9.3.5.2.1
Control Circuit Overview
9.3.5.2.2
Start-Up Regulator (VCC)
9.3.5.2.3
Regulation Comparator
9.3.5.2.4
Overvoltage Comparator
9.3.5.2.5
On-Time Generator and Shutdown
9.3.5.2.6
Current Limit
9.3.5.2.7
N-Channel Buck Switch and Driver
9.3.5.2.8
Thermal Protection
9.3.6
Gate Driver Protective Circuits
9.3.6.1
VM Supply and VDRAIN Undervoltage Lockout (UVLO)
9.3.6.2
VCP Charge-Pump and VGLS Regulator Undervoltage Lockout (GDUV)
9.3.6.3
MOSFET VDS Overcurrent Protection (VDS_OCP)
9.3.6.3.1
VDS Latched Shutdown (OCP_MODE = 00b)
9.3.6.3.2
VDS Automatic Retry (OCP_MODE = 01b)
9.3.6.3.3
VDS Report Only (OCP_MODE = 10b)
9.3.6.3.4
VDS Disabled (OCP_MODE = 11b)
9.3.6.4
VSENSE Overcurrent Protection (SEN_OCP)
9.3.6.4.1
VSENSE Latched Shutdown (OCP_MODE = 00b)
9.3.6.4.2
VSENSE Automatic Retry (OCP_MODE = 01b)
9.3.6.4.3
VSENSE Report Only (OCP_MODE = 10b)
9.3.6.4.4
VSENSE Disabled (OCP_MODE = 11b or DIS_SEN = 1b)
9.3.6.5
Gate Driver Fault (GDF)
9.3.6.6
Overcurrent Soft Shutdown (OCP Soft)
9.3.6.7
Thermal Warning (OTW)
9.3.6.8
Thermal Shutdown (OTSD)
9.3.6.9
Fault Response Table
9.4
Device Functional Modes
9.4.1
Gate Driver Functional Modes
9.4.1.1
Sleep Mode
9.4.1.2
Operating Mode
9.4.1.3
Fault Reset (CLR_FLT or ENABLE Reset Pulse)
9.4.2
Buck Regulator Functional Modes
9.4.2.1
Shutdown Mode
9.4.2.2
Active Mode
9.5
Programming
9.5.1
SPI Communication
9.5.1.1
SPI
9.5.1.1.1
SPI Format
9.6
Register Maps
9.6.1
Status Registers
9.6.1.1
Fault Status Register 1 (address = 0x00h)
Table 11.
Fault Status Register 1 Field Descriptions
9.6.1.2
Fault Status Register 2 (address = 0x01h)
Table 12.
Fault Status Register 2 Field Descriptions
9.6.2
Control Registers
9.6.2.1
Driver Control Register (address = 0x02h)
Table 14.
Driver Control Field Descriptions
9.6.2.2
Gate Drive HS Register (address = 0x03h)
Table 15.
Gate Drive HS Field Descriptions
9.6.2.3
Gate Drive LS Register (address = 0x04h)
Table 16.
Gate Drive LS Register Field Descriptions
9.6.2.4
OCP Control Register (address = 0x05h)
Table 17.
OCP Control Field Descriptions
9.6.2.5
CSA Control Register (DRV8353 and DRV8353R Only) (address = 0x06h)
Table 18.
CSA Control Field Descriptions
9.6.2.6
Driver Configuration Register (DRV8353 and DRV8353R Only) (address = 0x07h)
Table 19.
Driver Configuration Field Descriptions
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Primary Application
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
External MOSFET Support
10.2.1.2.1.1
MOSFET Example
10.2.1.2.2
IDRIVE Configuration
10.2.1.2.2.1
IDRIVE Example
10.2.1.2.3
VDS Overcurrent Monitor Configuration
10.2.1.2.3.1
VDS Overcurrent Example
10.2.1.2.4
Sense-Amplifier Bidirectional Configuration (DRV8353 and DRV8353R)
10.2.1.2.4.1
Sense-Amplifier Example
10.2.1.2.5
Single Supply Power Dissipation
10.2.1.2.6
Single Supply Power Dissipation Example
10.2.1.2.7
Buck Regulator Configuration (DRV8350R and DRV8353R)
10.2.1.3
Application Curves
10.2.2
Alternative Application
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.2.1
Sense Amplifier Unidirectional Configuration
10.2.2.2.1.1
Sense-Amplifier Example
10.2.2.2.1.2
Dual Supply Power Dissipation
10.2.2.2.1.3
Dual Supply Power Dissipation Example
11
Power Supply Recommendations
11.1
Bulk Capacitance Sizing
12
Layout
12.1
Layout Guidelines
12.1.1
Buck-Regulator Layout Guidelines
12.2
Layout Example
13
デバイスおよびドキュメントのサポート
13.1
デバイス・サポート
13.1.1
デバイスの項目表記
13.2
ドキュメントのサポート
13.2.1
関連資料
13.3
関連リンク
13.4
ドキュメントの更新通知を受け取る方法
13.5
コミュニティ・リソース
13.6
商標
13.7
静電気放電に関する注意事項
13.8
Glossary
14
メカニカル、パッケージ、および注文情報
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RTA|40
MPQF134A
サーマルパッド・メカニカル・データ
RTA|40
QFND055H
発注情報
jajsfy1a_oa
jajsfy1a_pm
9.3
Feature Description