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MLX83203 반도체 회로 부품 판매점

(MLX83202 / MLX83203) Automotive NFET pre-drivers



Melexis 로고
Melexis
MLX83203 데이터시트, 핀배열, 회로
MLX83202/MLX83203
Automotive NFET pre-drivers
Features and Benefits
Level shifting between micro-controller PWM outputs
and 3 external N-FET half-bridges
100% PWM operation
Low offset, low drift, fast current sense amplifier
Operating range VSUP = [4.5, 28] V, 45V Abs. Max
Fault interrupt & feedback to microcontroller
Under & overvoltage protection
Overtemperature protection
VDS and VGS external FET monitoring
Sleep mode with low quiescent current
Compatible with 3V and 5V micro-controllers
Charge-pump provides NFET reverse polarity drive
Application Examples
Fail-safe applications
Low-torque control applications
BLDC sine wave applications (PMSM)
Ordering Information
Part No.
MLX83202
MLX83202
MLX83203
MLX83203
Temperature Code
K (-40°C to 125°C)
K
K
K
Package Code
LQ (QFN32, 5x5mm)
PF (TQFP48, 7x7mm)
LQ (QFN32, 5x5mm)
PF (TQFP48, 7x7mm)
Option code
AAA 000
AAA 000
AAA 000
AAA 000
Comment
25 Ohm 3HB (*)
25 Ohm 3HB (*)
8 Ohm 3HB
8 Ohm 3HB (*)
(*): Derivatives of MLX83203KLQAAA-000 available on high volume request
1 Functional Diagram
2 General Description
The MLX83202/MLX83203 family of pre-drivers is
designed to drive high-current N-type FET 3-phase
motor control applications.
The built-in EEPROM allows extensive configurability
of the pre-driver without the need for external
resistors and SPI interface programming. This
reduces the package pin count to only 32.
All output voltages are monitored for failure
conditions. The microcontroller is informed of the
failure condition via a fast serial interface.
The device comprises a current shunt amplifier, with
a high gain bandwidth (GBW), offering a fast settling
time with low noise. This makes the pre-drivers ideal
for precise torque control applications like e.g.
electrical power steering and brake by wire.
A combination of bootstrap and charge pump enables
driving 6 NFETs, with gate charges up to
400nC/NFET with a minimum of device self-heating.
The IC reset level below 4.5V allows for low-voltage
operation.
3901083203
Rev 2.2
Page 1 of 35
Prelim. Data Sheet
4 Dec 2013
Free Datasheet http://www.Datasheet4U.com


MLX83203 데이터시트, 핀배열, 회로
MLX83202/MLX83203
Automotive NFET pre-drivers
Table of Contents
1 Functional Diagram ____________________________________________________________________1
2 General Description ___________________________________________________________________1
3 Glossary of Terms _____________________________________________________________________3
4 Absolute Maximum Ratings _____________________________________________________________3
5 Pin Definitions and Descriptions _________________________________________________________4
6 Electrical Specifications ________________________________________________________________5
7 Block diagram and application circuit ___________________________________________________10
7.1 Pinout schematics ________________________________________________________________12
7.2 Ground connections_______________________________________________________________13
8 Description__________________________________________________________________________14
8.1 Supply system ___________________________________________________________________14
8.2 Sleep mode ______________________________________________________________________14
8.2.1 Sleep mode status overview ______________________________________________________15
8.3 Enable input _____________________________________________________________________16
8.4 Protection and diagnostic functions _________________________________________________16
8.4.1 Drain-source voltage monitoring ___________________________________________________16
8.4.2 Programmable dead time_________________________________________________________16
8.4.3 Supply overvoltage shutdown _____________________________________________________16
8.4.4 Regulated supply overvoltage shutdown _____________________________________________16
8.4.5 Undervoltage warnings __________________________________________________________17
8.4.6 Over temperature warning ________________________________________________________17
8.4.7 EEPROM error warning __________________________________________________________17
8.4.8 ICOM diagnostics interface _______________________________________________________17
8.4.9 Pre-driver output state summary ___________________________________________________19
8.5 EEPROM programming ____________________________________________________________20
8.5.1 Memory map __________________________________________________________________20
8.5.2 SPI communication _____________________________________________________________21
8.6 Current sense amplifier ____________________________________________________________25
8.7 FET driver implementation _________________________________________________________27
8.7.1 Normal operation _______________________________________________________________27
8.7.2 FET driver during sleep mode _____________________________________________________28
8.8 Charge pump_____________________________________________________________________28
8.9 100% PWM with bootstrap __________________________________________________________29
9 Standard information regarding manufacturability of Melexis products with different soldering
processes ____________________________________________________________________________30
10 ESD Precautions ____________________________________________________________________30
11 Package Information _________________________________________________________________31
11.1 Package data QFN32 (5x5, 32 leads) ________________________________________________31
11.2 Package data TQFP48_EP 7x7 (48 leads, exposed pad) _______________________________32
11.3 Package Marking ________________________________________________________________33
12 Disclaimer _________________________________________________________________________34
3901083203
Rev 2.2
Page 2 of 35
Prelim. Data Sheet
4 Dec 2013
Free Datasheet http://www.Datasheet4U.com




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(MLX83202 / MLX83203) Automotive NFET pre-drivers - Melexis



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(MLX83202 / MLX83203) Automotive NFET pre-drivers - Melexis