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L9924TR Datasheet(PDF) 13 Page - STMicroelectronics

Part # L9924TR
Description  Automotive vehicle conform truck car alternator regulator IC
PDF  85 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9924TR Datasheet(HTML) 13 Page - STMicroelectronics

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DocID029638 Rev 2
13/85
L9924
Pin description
84
11
VDDA
Analog power supply (connect to 100nF//1uF for decoupling)
12
VSSA
Analog ground
13
CSA_IN
Current sense ampl. Input
14
SENSE
Battery sensing with dedicated wire
15
A+ /B+
Battery sense / Device power supply
16
IGNIT
Ignition terminal
17
DFM
Field Monitor (PWM signal going to ECU)
18
LIN/BSS
LIN / BSS (coming from ECU)
19
AUX_IN
Auxiliary input
20
PH
Phase sense input
21
PH_OUT
Filtered Phase signal
22
L
Key sensing and Warning Lamp terminal output
23
GND
Regulator ground
N°
PIN
Function
24
GLS
Gate driver of ext Low Side MOS used for Lamp
25
LHC
Key sensing and Warning Lamp terminal output in case of ext MOS
used for lamp driving
26
GHS
Gate driver of ext High Side MOS used for Relay
27
F
Field activity monitor (for High side and low side configuration)
28
SOURCE
External MOS Source
29
DRAIN
External MOS Drain
30
GATE
External MOS Gate
31
RC
C-Terminal / PCM (PWM signal input coming from ECU)
32
CP1-
Charge pump pin for capacitor 1, negative side
33
CP1+
Charge pump pin for capacitor 1, positive side
34
CP2-
Charge pump pin for capacitor 2, negative side
35
CP2+
Charge pump pin for capacitor 2, positive side
36
CP
Charge pump output
37
PROT_SEL
Protocol selection
38
VDD_CAP
5V capacitor(5V regulator output)
39
nRST_SP
Reset (Smart Power)
40
LIN_RX_SP
LIN receiver (smart power output)
41
LIN_TX_SP
LIN transmitter (smart power input)
42
PD1/SWIM/GPIO3
Single Wire Interface Module (for µC programming)
General purpose Input/output (PD1)
Table 2. Pin function (continued)
N°
Pin name
Function



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