Electronic Components Datasheet Search
  British  ▼
ALLDATASHEET.CO.UK

X  

Preview PDF HTML

L9781 Datasheet(PDF) 5 Page - STMicroelectronics

Part # L9781
Description  Automotive multiple valve pre-driver for diesel and gasoline direct injection
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9781 Datasheet(HTML) 5 Page - STMicroelectronics

  L9781 Datasheet HTML 1Page - STMicroelectronics L9781 Datasheet HTML 2Page - STMicroelectronics L9781 Datasheet HTML 3Page - STMicroelectronics L9781 Datasheet HTML 4Page - STMicroelectronics L9781 Datasheet HTML 5Page - STMicroelectronics L9781 Datasheet HTML 6Page - STMicroelectronics L9781 Datasheet HTML 7Page - STMicroelectronics L9781 Datasheet HTML 8Page - STMicroelectronics L9781 Datasheet HTML 9Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 5 / 10 page
background image
2
Block diagram
Figure 2. Block diagram
detection
Voltage
Current &
FSM
Converter
DC/DC
(push-pull)
pre-driver
Low Side
(2bit)
selection
threshold
Current
control
Fuel pump
System clock
control
IC general
BANK_B control
BANK_A control
SPI
regulator
3.3V
VCCD(60)
C_VCCD
VBAT(7)
generator
reference
Current
To all internal circuitry
5V
(optional)
Protection diode
DC/DC CONVERTER controller
Icomp_T
GLS_T (9)
RSN_T (10)
RSP_T (11)
VT_FB (12)
Vcomp_T
VTth
CHS_A (13)
GHST_A (14)
GHSB_A (16)
RSPHS_A(15)
VTANK (8)
(push-pull)
pre-driver
High Side VT
(push-pull)
pre-driver
High Side VB
RT2
RT1
C_TANK
LS_T
VT
Cbt
RSP_A (23)
RSN_A (22)
INJL_Ay (20)
INJL_Ax (18)
GLS_Ay (21)
GLS_Ax (19)
INJH_A (17)
Cfilt
Rfilt
Rfilt
LS_Ax
LS_Ay
RS_A
VT
(push-pull)
pre-driver
Low Side
(push-pull)
pre-driver
Low Side
Diff. AMP
RSPHS_B (34)
RSN_B (27)
RSP_B (26)
GLS_By (28)
INJL_By (29)
GLS_Bx (30)
INJL_Bx (31)
INJH_B (32)
CHS_B (36)
GHST_B (35)
GHSB_B (33)
(FSMs)
Machines
Finite State
&
Input Circuit
SEL_B (52)
CMD_B (51)
DAOUT_B (3)
DAOUT_B
TM1 (5)
TM2 (49)
TM3 (50)
TM4 (53)
TM5 (54)
RST (59)
ENB (63)
IRQ (42)
TM6 (61)
count_clk
sys_clk
generator
base
Time
CLK_EXT (48)
CMD_C (62)
8bit
Converter
D/A
diagnosis
logic &
protection
detection,
current
Fuel pump
FUEL PUMP controller
(push-pull)
pre-driver
High Side
(push-pull)
pre-driver
Low Side
GHS_P (39)
HPPH (40)
CHS_P (41)
RSP_P (25)
GLS_P (37)
HPPL (38)
Rfilt
Rfilt
Cfilt
RSN_P (24)
GND_A (1)
Diff. AMP
GND_D (57)
+
Cin
VBAT
+
Rpu_A
VBAT
HST_A
HSB_A
RSHS_A
INJH_A
INJL_Ay
INJL_Ax
INJL_By
INJL_Bx
INJH_B
VBAT
Rpu_P
HS_P
VBAT
HPPL
HPPH
FP
LS_P
RS_P
GND_P (6)
DAOUT_P (2)
BANK B controller
DAOUT_A
8bit
Converter
D/A
SEL_A (56)
CMD_A (55)
DAOUT_A (4)
DAOUT_A
CS (44)
C_VCCI
VCCI (47)
5V or 3.3V
SCK (43)
DIN (45)
DOUT (46)
SPI Controller
REXT (64)
V33 (58)
C_V33
Rext
+
+
L_DCDC
diagnosis
logic &
protection
detection,
current
Bank_A
BANK A controller
RS_T
Cbt
Controller
GAPGPS00336
L9781
Block diagram
DB3720 - Rev 1
page 5/10



Html Pages

1 2 3 4 5 6 7 8 9 10


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com