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부품번호 L99PD08 기능
기능 SPI control diagnosis interface device
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L99PD08 데이터시트, 핀배열, 회로
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L99PD08
SPI control diagnosis interface device for
VIPower™ M0-5 and M0-5E high side drivers
Features
I 8 channel VIPower driver and diagnostics
device
I Supports analog and digital VIPower status
readback
I 8 independent PWM channels
I Selectable PWM base clock (2 external, one
internal)
I Programmable PWM turn on phase shift
I Programmable diagnostic thresholds (analog
VIPower)
I Programmable over temperature latch off for
enhanced HSD short circuit reliability
I Limp home safety mode
I ST-SPI interface protocol for data
communication
I External enable pin for low power mode
I Detailed and filtered diagnostic for each
channel
I Direct multiplexed VIPower status / current
sense feedback
I Supply voltage 3.3 or 5.0 V (two pins)
Applications
I Exterior and interior automotive light system
LQFP32
Description
The device has integrated several functions which
save job load of the microcontroller and save
necessary connections to the microcontroller. It’s
possible to connect analog and digital high side
drivers (HSD) to the device and control them via
SPI interface. A synchronous detailed diagnostics
feature is integrated.
The device has 8 outputs to the HSD with the
possibility to be driven either by steady state
ON/OFF mode or by PWM. Two clock inputs used
as base frequency to generate the PWM signal
internally are provided. The outputs are fully
independent and can also be driven with phase
shift to improve characteristics of power net
during the inrush phase. The device has 8 current
sense (CS)/status (ST) pins connected to the
HSD to run diagnostics. The index of ST/CS pin
corresponds to the input connected to the same
HSD channel (ST0/CS0 with OUT0, ST1/CS1
with OUT1 …).
Table 1. Summary device
Package
LQFP32
April 2010
Tube
L99PD08
Order codes
Tape and reel
L99PD08TR
Doc ID 15872 Rev 3
1/41
www.st.com
1




L99PD08 pdf, 반도체, 판매, 대치품
List of tables
List of tables
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L99PD08
Table 1.
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Table 47.
Summary device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin definition and function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
ESD protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Operating junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Undervoltage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
EN pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Output switches/fault pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Current sense/status inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
MUX_ST/CS output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Current MUX_ST/CS ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Current sense diagnostic thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
LHOMEN and SYNC pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
DC characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Dynamic characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
CSN timeout/CLK_INx timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Command byte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Operating code definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Global status byte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Global status byte: description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
RAM memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
ROM memory map (access with OC0 and OC1 set to ‘1’) . . . . . . . . . . . . . . . . . . . . . . . . . 29
Control register, hex00 (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
ON_OFF register, hex01 (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
DEV_TYPE register, hex02 (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
PWM_EN register, hex03 (RW-Type). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
CLK_SEL register, hex04 (RW-Type). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
ASDT register, hex05 (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
DET_DIAG register, hex06 (RW-Type). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
BLK_TIME1 register, hex07 (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
BLK_TIME2 register, hex08 (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
TD_SENSE register, hex09 (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
CFR register, hex0A (RW-Type). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
OLOVL_TH_1 register, hex0B (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
OLOVL_TH_2 register, hex0C (RW-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
DUTY_CH 0 – DUTY_CH 7 Registers, hex10 – hex17 (RW-Type) . . . . . . . . . . . . . . . . . . 34
PHASE_CH 0 - PHASE_CH7 Registers, hex18 – hex1F (RW-Type) . . . . . . . . . . . . . . . . 34
CHANNEL_FB Registers, hex2E (R-Type). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
AUX_STATUS Registers, hex2F (RC-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
OT_FAULT Registers, hex30 (RC-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
OL_FAULT Registers, hex31 (RC-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
STK_FAULT Registers, hex32 (RC-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
OVL_FAULT Registers, hex33 (RC-Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
LQFP32 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4/41 Doc ID 15872 Rev 3

4페이지










L99PD08 전자부품, 판매, 대치품
L99PD08
2 Pin definitions and functions
www.DataSheet4U.com
Pin definitions and functions
Table 2.
Pin
1
2
3, 13
4
5
6
7
8
9
10
11
12
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin definition and function
Symbol
Function
CLK_IN0
PWM clock input 0
CLK_IN1
PWM clock input 1
GND
VDDIO
FAULTN
SYNC
Common ground
I/O and 3.3 V voltage regulator supply (3.3 V or 5 V)
Failure on HSD or communication error
Output of OUT0-OUT7 signals, selected by control register
MUX_ST/CS
Output from ST/CS multiplexer
VCORE3
SCK
SDI
SDO
Core supply voltage (3.3 V only)
ST-SPI – serial clock input
ST-SPI – serial data input
ST-SPI – serial data output
CSN
EN
N.C.
LHOMEN
ST-SPI – chip select input
Enable pin
Not connected
Active mode pull-up supply – limp home
ST7/CS7
Input from HSD status / current sense pin
OUT7
ST6/CS6
OUT6
ST5/CS5
Output to High side driver – channel 7
Input from HSD status / current Sense pin
Output to high side driver – channel 6
Input from HSD status / current sense pin
OUT5
ST4/CS4
OUT4
ST3/CS3
Output to high side driver – channel 5
Input from HSD status / current sense pin
Output to high side driver – channel 4
Input from HSD status / current sense pin
OUT3
Output to high side driver – channel 3
ST2/CS2
OUT2
ST1/CS1
OUT1
Input from HSD status / current sense pin
Output to high side driver – channel 2
Input from HSD status / current sense pin
Output to high side driver – channel 1
ST0/CS0
OUT0
Input from HSD status / current sense pin
Output to high side driver – channel 0
Doc ID 15872 Rev 3
7/41

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관련 데이터시트

부품번호상세설명 및 기능제조사
L99PD08

SPI control diagnosis interface device

STMicroelectronics
STMicroelectronics

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