NCV8855BMNR2G ON Semiconductor, NCV8855BMNR2G Datasheet - Page 22

• Manufacturer Part Number: NCV8855BMNR2G
• Description: IC BUCK SYNC QUAD 40QFN
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of NCV8855BMNR2G

• Topology: Step-Down (Buck) (2), Linear (LDO) (2)
• Function: Automotive Radio and Instrument Cluster Power Supply
• Number Of Outputs: 4
• Frequency - Switching: 170kHz
• Voltage/current - Output 1: Controller
• Voltage/current - Output 2: Adjustable, 2.5A
• Voltage/current - Output 3: Controller
• W/led Driver: No
• W/supervisor: No
• W/sequencer: Yes
• Voltage - Supply: 9 V ~ 18 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 40-VFQFN Exposed Pad
• Voltage - Output: Adjustable
• Voltage - Input: 9 ~ 18 V
• Internal Switch(s): Both
• Synchronous Rectifier: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Other names: NCV8855BMNR2G; NCV8855BMNR2GOSTR

NOTE:
AM/FM Tuner
DVD ROM
Amplifier
Ignition
VBATT
8V
Power
Not all pins are shown above.
Drive
AUTOMOTIVE RADIO SYSTEM BLOCK DIAGRAM EXAMPLE NCV8855 WITH NCV8612
8.5V
external CAN
8V
transceiver
VBATT
VBATT
From
HOT_FLG_S
VBATT
SYS_EN
HS_EN
BO_DET
HV_DET
10
11
12
27
25
24
23
21
29
30
40
39
38
26
1
2
4
3
5
6
7
8
5
7
1
ASO_RAIL
HOT_FLG
VIN−H
VIN−B
VIN−A
VBATT _MON
HV_DET
BO_DET
EN
SYS_EN
HS_EN
OCSET
BST1
GH1
SN1
GL1
SW_FB1
COMP1
ISNS1+
ISNS1−
LR_G1
LR_FB1
VIN
IGNIN
IGNOUT
http://onsemi.com
NCV8612
NCV8855
HIGH−SIDE
SWITCH
Figure 28.
MAIN
22
HOT_FLG
VOUT3 FB
VPP
LDO_EN
SW_FB2
VPP
VIN_SW
COMP2
ISNS2+
LR_FB2
HS_S
VIN_S3
VOUT1
ISNS2−
VOUT3
VOUT2
LR_G2
SYNC
BST2
SN2
RST
DLY
20
19
16
18
17
15
14
8
4
31
32
33
34
28
6
11
10
9
3
2
LDO_EN
HOT_FLG
8V
SYNC
VBATT
6V
3.3Vs
5Vs
3.3Vs
3.3V
3.3V
5V
5V
RST
DLY
Headunit CAN
Misc. 3.3 V
Body CAN
Connector
Main DSP
Misc. 5 V
Main m C
Antenna
SDARS
Active
Logic
Logic
USB
Fan
HOT_FLG_S
HV_DET
BO_DET
SYS_EN
HS_EN
LDO_EN
HOT_FLG