SLVSFF0A
June 2020 – August 2020
DRV8436E
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
PWM Motor Drivers
7.3.2
Bridge Control
7.3.3
Current Regulation
7.3.4
Decay Modes
7.3.4.1
Slow Decay
7.3.4.2
Mixed Decay
7.3.4.3
Fast Decay
7.3.4.4
Smart tune Dynamic Decay
7.3.4.5
Blanking time
7.3.5
Charge Pump
7.3.6
Linear Voltage Regulators
7.3.7
Logic and Quad-Level Pin Diagrams
7.3.7.1
nFAULT Pin
7.3.8
Protection Circuits
7.3.8.1
VM Undervoltage Lockout (UVLO)
7.3.8.2
VCP Undervoltage Lockout (CPUV)
7.3.8.3
Overcurrent Protection (OCP)
7.3.8.4
Thermal Shutdown (OTSD)
7.3.8.5
7.4
Device Functional Modes
7.4.1
Sleep Mode (nSLEEP = 0)
7.4.2
Operating Mode (nSLEEP = 1)
7.4.3
Functional Modes Summary
8
Layout
8.1
Layout Guidelines
8.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.1.2
Device Nomenclature
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Related Links
9.4
Receiving Notification of Documentation Updates
9.5
Community Resources
9.6
Trademarks
Package Options
Mechanical Data (Package|Pins)
RGE|24
MPQF124G
PWP|28
MPDS373B
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND008AA
Orderable Information
slvsff0a_oa
1
Features
Dual H-bridge motor driver
One bipolar stepper motor
Dual bidirectional brushed-DC motors
Four unidirectional brushed-DC motors
Integrated current sense functionality
No sense resistors required
±7.5% Full-scale current accuracy
4.5- to 48-V Operating supply voltage range
Multiple control interface options
PHASE/ENABLE
PWM
Smart tune decay technology, fixed slow, fast and mixed decay options
Low R
DS(ON)
: 900 mΩ HS + LS at 24 V, 25°C
High Current Capacity Per Bridge: 2.4-A peak, 1.5-A Full-Scale, 1.1-A rms
Configurable Off-Time PWM Chopping
7, 16, 24 or 32 μs
Supports 1.8-V, 3.3-V, 5.0-V logic inputs
Low-current sleep mode (2 µA)
Spread spectrum clocking for low electromagnetic interference (EMI)
Small package and footprint
Protection features
VM undervoltage lockout (UVLO)
Charge pump undervoltage (CPUV)
Overcurrent protection (OCP)
Thermal shutdown (OTSD)
Fault condition output (nFAULT)