MLX83202 Datasheet, PDF (4/35 Pages) Melexis Microelectronic Systems – Automotive NFET pre-drivers

MLX83202/MLX83203
Automotive NFET pre-drivers
5 Pin Definitions and Descriptions
MLX8320x
QFN32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
MLX8320x
TQFP48
Name
4
IBM
5
IBP
6
ISENSE
7
FETB1
8
FETB2
9
FETB3
10
ICOM
11
EN
14
PHASE2
15
GATET2
16
CP2
17
PHASE1
18
GATET1
19
CP1
20
PHASE3
21
GATET3
22
CP3
26
VBOOST
28
VREG
29
GATEB2
30
GATEB3
31
GATEB1
33
DGND
35
CP
38
VSUP
39
VBATF
41
AGND
43
FETT2
44
FETT1
45
FETT3
47
VDD
3
VREF
Type
Function
LV analog input Current sensor input (negative input)
LV Analog input Current sensor input (positive input)
LV Analog
Current sensor output
oLVutpDuigt _{ital input PWM input for low-side N-FET1 (active low), MISO for SPI}
LV Digital input PWM input for low-side N-FET2 (active low), CLK for SPI
LV Digital input PWM input for low-side N-FET3 (active low), MOSI for SPI
LV IO
Diagnostic feedback IO, !CS for SPI
LV IO
Enable input
HV output
Motor phase 2: high-side N-FET2 Source connection
HV output
PWM output to high-side N-FET2 Gate
HV input
Supply input (bootstrap) for high-side N-FET2 Gate
HV output
Motor phase 1: high-side N-FET1 Source connection
HV output
PWM output to high-side N-FET1 Gate
HV input
Supply (bootstrap) input for high-side NFET1
HV output
Motor phase 3: high-side N-FET3 Source connection
HV output
PWM output to high-side N-FET3 Gate
HV input
Supply (bootstrap) input for high-side NFET3 Gate
HV input
Charge pump generated supply input
HV output
Regulated supply for bootstrap capacitors and low-side pre-driver
HV Output
PWM output to low-side N-FET2 Gate
HV Output
PWM output to low-side N-FET3 Gate
HV Output
PWM output to low-side N-FET1 Gate
Ground
Driver ground
HV Output
Charge pump driver output to boost VBOOST
HV Supply input Power supply input
HV input
VBAT sense input for 3 high-side N-FETs to monitor Vds
Ground
Analog ground
LV Digital
PWM input for high-side N-FET2
LV Digital
PWM input for high-side N-FET1
LV Digital
PWM input for high-side N-FET3
LV Supply
Digital IO and current sensor amplifier supply.
iLnVpuAtnalog _{input Reference voltage input for current sense}
Table 2. Pin definitions and descriptions
3901083203
Rev 2.2
Page 4 of 35
Prelim. Data Sheet
4 Dec 2013