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L5952
MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR
s
FIVE REGULATED OUTPUTS Vo1 5V @500mA Vo2 8.3V @ 250mA Vo3 7.7V to 8.5V @250mA (I2C presettable) Vo4 5V to 7.3V @0.4A (I2C presettable) Vo5 3.3V to 5V @500mA (I2C presettable) HSDout R ON = 0.6 I2C ENABLE & OUT PRESET ADJUSTABLE BATTERY DETECTION CIRCUIT RESET OUTPUT BACKUP FACILITY LOW QUIESCENT CONSUMPTION HIGH RIPPLE REJECTION LOAD DUMP OVERCURRENT & SHORT CIRCUIT PROTECTORS THERMAL SHUTDOWN DESCRIPTION The L5952 is a multifunction 5 output voltage regulator plus a High Side Driver primarily developed for car radio applications. Three outputs are enabled and set via I2C bus. Very low stand-by current consumption is achieved to specifically comply with entertainment and automotive environments.
Flexiwatt 25 ORDERING NUMBER: L5952
s s
s s s s s s
s
PIN CONNECTION (Top View)
25 VIN DATA VOUT6 CLOCK VOUT5 DIG GND VOUT4 RESET ST-CAP BATT-DET 17 BATT-DET 3 BATT-DET 2 BATT-DET 1 N.C. HRCAP BATT-DET 3 IN BATT-DET 2 IN N.C. VOUT3 BATT-DET 1 IN VOUT2 DELAY CAP VOUT1 GND 1 TAB
D99AU1055D
September 2003
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L5952
BLOCK DIAGRAM
17 ST-CAP
VIN
25
REG
3
VOUT1 (P (500mA))
REG
21
VOUT5 (DSP P (500mA))
REG
5
VOUT2 (TUNER (250mA))
HRCAP
11 REG 7 VOUT3 (AUDIO (250mA))
REG
19
VOUT4 (CD (1A))
DATA CLOCK RESET
24 22 18 IIC BUS I/F
REG
23
VOUT6 (HIGH SIDE (1A))
CURRENT DET
16
BATT-DET 17
DELAY CAP BATT-DET1 IN
4 6
5V
Tr SW (*)
13
BATT-DET 1 SINK 2mA(max)
5V 9
Tr SW (*)
14
BATT-DET 2 SINK 2mA(max)
BATT-DET2 IN
INPUT BATTERY BATT-DET3 IN 10 1 TAB 2 GND 20 DIG GND
Tr SW (*)
15
SINK 2mA(max) BATT-DET 3 N.C.
12 8
D99AU1056D
N.C. (*) N-ch open drain or NPN open collector
ABSOLUTE MAXIMUM RATINGS
Symbol VIN VIN RESR Top Tstg DC Supply Voltage Transient Supply Overvoltage (50ms) Output Capacitor Series Eq. Series Resistors Allowed Range Operating Temperature Range Storage Temperature Range Parameter Value -0.6 to 26 50 0.2 to 10 -40 to 85 -40 to 150 Unit V V C C
THERMAL DATA
Symbol Rth j-case Parameter Thermal resistance junction-case Value 1.3 Unit C/W
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L5952
TEST CIRCUIT
ST CAP C6 1000F VIN C11 470F RESET R10 100K R9 100K R8 100K R7 100K D1 N.C. VIN C10 0.1F RESET DET17 DET3 DET2 DET1 VOUT1 C1 47F
R1 160K
17 8,12 25
24 22 20 23
DATA CLK DIG GND VOUT6 C9 10F
DATA CLK DGND
18 16 15 14 13 3 11
21
VOUT5 C8 10F
19
VOUT4 C7 10F HRCAP C5 1F R3 150K
L5952
DET1IN R2 150K
6 7
VOUT3 C4 10F VOUT2 C3 10F
R3 130K R4 47K
DET2IN TAB DET3IN GND
9 1 10 2
5
R5 270K R6 47K
4
DELAY CAP C2 1F
D00AU1172B
ELECTRICAL CHARACTERISTCS (Ref. to Test Circuit, VIN = 14.4V, Tcase = 25C, unless otherwise noted).
Symbol INPUT Vop Operating Voltage Jump Start Load Dump Delay Reset System Reset LO System Reset Hi IQ Quiescent Current Hard Reset Vout1, Det 1,2,3,17 = active Not including I into R1 to R6 C = 1F; R = 150k 50 t< 1min; still in normal operation 50V, 50ms; still in normal operation at Vout1, Det 1,2,3 C2 = 1F Vout1, Det 1,2,3,17 = active 4 80 100 120 2 3 9 16 27 50 4 1 V V V ms V V A ms Parameter Test Condition Min Typ Max Unit
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L5952
ELECTRICAL CHARACTERISTCS (Continued)
Symbol OUTPUTS: Output voltage 1 (Vout1) Vout Imax. Vload SVRR Vdrop1 Vdrop2 Vlin Output Voltage Maximum Current Load Regulation Ripple Rejection Voltage Drop Voltage Drop Line Regulation Iout < 500mA; Vbatt-up cap = 9 to 16V Iout < 250mA; Vbatt-up cap = 7 to 9V current limiter Iout = 0 to 500mA 1kHz, Vripple = 2Vpp Iout = 500mA Iout = 250mA IOUT = 0 50 4.75 600 5 1200 30 60 1.5 0.75 0 2.5 1.25 50 50 5.25 V mA mV dB V V mV Parameter Test Condition Min Typ Max Unit
Vout1 is 5V regulator
Output voltage 2 (Vout2) Vout Imax. Vload SVRR Vdrop Vlin Output Voltage Maximum Current Load Regulation Ripple Rejection Voltage Drop Line Regulation
I2C. Default is OFF
Iout < 250mA; Vin = 9 to 16V current limiter Iout = 0 to 250mA 1kHz , Vripple = 2Vpp Iout = 250mA IOUT = 0
8.1 300
8.3 450 20
8.5
V mA
50
mV dB
45
55 0.5 0 0.6 50
V mV
Vout2 has On/OFF function by
Output voltage 3 (Vout3) Vadj Imax. Vload SVRR Vdrop Vlin Adjustable range Maximum Current Load Regulation Ripple Rejection Voltage Drop Line Regulation Iout < 250mA; Vin = 9 to 16V current limiter Iout = 0 1kHz , Vripple = 2Vpp Iout = 250mA IOUT = 0 50 7.7 300 20 60 0.45 0 0.6 50 50 8.5 V mA mV dB V mV
Vout3 Voltage configuration Setting 1 Setting 2 Setting 3 Setting 4 Setting 5 Iout <250mA; Vin = 10 to 16V Iout <250mA; Vin = 10 to 16V Iout <250mA; Vin = 10 to 16V Iout <250mA; Vin = 9 to 16V Iout <250mA; Vin = 9 to 16V
2
8.2 8 7.8 7.6 7.4
8.5 8.3 8.1 7.9 7.7
8.8 8.6 8.4 8.2 8.0
V V V V V
Select one of above settings as well as ON/OFF control by I C. Default is OFF.
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L5952
ELECTRICAL CHARACTERISTCS (Continued)
Symbol Output 4: (Vout4) Vadj Imax SVRR Vdrop Vload Vlin Adjustable range Max. Current Ripple rejection Voltage Drop Load Regulation Line Regulation Iout = 400mA Current limiter 1kHz, Vripple = 2Vpp Iout = 400mA Iout = 0 to 400mA IOUT = 0 5 1.2 50 2.4 60 0.6 20 0 0.75 50 50 7.3 V A dB V mV mV Parameter Test Condition Min Typ Max Unit
Vout4 Voltage configuration Setting 1 Setting 2 Setting 3 Setting 4 Setting 5 Setting 6 Setting 7
Select one of above settings as well as ON/OFF control by I2C. Default is OFF
Iout < 400mA; Vin = 9 to 16V
7 6.7 6.3 6 5.7 5.3 4.75
7.3 7 6.6 6.3 6 5.5 5
7.6 7.3 6.9 6.6 6.3 5.7 5.25
V V V V V V V
Output 5 (Vout5) Vadj Imax Vload SVRR Vdrop Vlin Adjustable range Max. Current Load Regulation Ripple Rejection Voltage Drop Line Regulation Iout < 500mA Current limiter Iout = 0 to 500mA 1kHz, Vripple = 2Vvpp Iout = 500mA IOUT = 0 50 3.3 600 1000 30 60 2.4 0 3.6 50 50 5 V mA mV dB V mV
Vout5 Voltage configuration Setting 1 Setting 2
Select one of above settings as well as ON/OFF control by I2C. Default is OFF
Iout < 500mA; Vin = 9 to 16V
3.1 4.75
3.3 5.0
3.5 5.25
V V
Output 6 (Vout6) Vout Output Voltage Iout < 800mA; Vin = 9 to 16V 8.4 15.4 V
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L5952
ELECTRICAL CHARACTERISTCS (Continued)
Symbol Imax Vdrop Parameter Maximum Current Dropout Voltage Test Condition Current limiter Iout < 800mA Min 1.2 0.45 0.6 Typ Max Unit A V
Vout6 has On/OFF function by I2C. Default is OFF
Battery Detection1 (Det1) Vthreshold Vadj VOL Adjustable Range Th2 with ext. resistor L Output Voltage ST-CAP rising Vout1 falling Iout = 2mA 7 2.4 7.3 2.55 0.5 8 2.7 0.8 V V V
Note: 1F is recommended for delay Cap (min: 100nF)
Battery Detection2 (Det2) Vadj Adjustable Range with ext. resistor Hysteresis VOL L Output Voltage Iout = 2mA 4.45 30 4.65 60 0.5 4.8 120 0.8 V mV V
Battery Detection3 (Det3) Vadj Adjustable Range with external resistor Hysteresis VOL L Output Voltage Iout = 2mA 7.25 50 8.35 100 0.5 8.55 150 0.8 V mV V
Battery Detection17 (Det17) Vthreshold VOL I2C bus Fck tR tF VIL VIH Clock Frequency Rising Time Falling Time Low Input Voltage High Input Voltage 3 400 300 300 1 kHz ns ns V V L Output Voltage ST-CAP Iout = 2mA 16.5 17 0.5 18 0.8 V V
Hard Reset VIL VIH Low Input Voltage High Input Voltage 3 2 V V
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L5952
Figure 1. Comparator Part
DET17 DMOS ref
VIN
STCAP ref REXT1 VOUT1 DET1IN REXT2 DELAYCAP CEXT 1F REXT1 VOUT1 DET2IN DMOS REXT2 HRCAP ref CEXT2 1F DELAY +
DET1
VOUT1 REXT3 150K
SWEXT
DET2
REXT1 VIN
DET3IN REXT2
D00AU1174A
DET3 DMOS
HRCap must be connected to VOUT1 at no hard reset function
Figure 2. Reset Function
VOUT1 REXT1 DET1IN REXT2 (FALLING Vth) REXT1 + REXT2 Vth = REXT2
VIN REXT1 DET3IN REXT2 (RISING Vth)
VOUT1 REXT1 DET2IN REXT2 (RISING Vth)
* 1.24
D00AU1175A
DET1,2 Delay Time: T = 3000 x C Hard Reset Time: T = -CR ln 0.7
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L5952
Figure 3. Timing Chart (typical values)
8.35 VIN
8.25
DET3 7.3 STCAP 4.65 2.55
VOUT1
3ms
DET1
DET2 HRCAP 2.5V 100ms
Note: Delay Cap = 1F HR Cap = 1F HR Res = 150K
SW SW on off
D00AU1176B
SOFTWARE SPECIFICATION Interface Protocol The interface protocol comprises: s A start condition (s)
s s s
A chip address byte,(LSB bit = 0 for write mode) A subaddress byte. A sequence of data (N-bytes + acknowledge)
A stop condition (P)
CHIP ADDRESS MSB S 1 0 0 0 1 0 0 LSB 0 ACK MSB X X X I SUBADDRESS LSB A3 A2 A1 A0 ACK MSB DATA DATA 1 to DATA n LSB ACK P
ACK = Acknowledge S = Start P = Stop I = Auto Increment X = Not used MAX CLOCK SPEED 500kbits/s CHIP ADDRESS = 10001000 (88 Hex)
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L5952
AUTO INCREMENT If bit I in the subaddress byte is set to "1", the autoincrement of the subaddress is enabled, if bit I = 0 no autoincrement. SUBADDRESS
MSB 0 0 0 I A3 0 0 0 0 0 A2 0 0 0 0 1 A1 0 0 1 1 0 LSB FUNCTION A0 0 1 0 1 0 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6
DATA BYTE SPECIFICATION OUT 2
MSB D7 D6 D5 D4 D3 D2 D1 LSB FUNCTION D0 0 1 OFF ON
OUT 3
MSB D7 D6 D5 D4 D3 D2 D1 LSB D0 0 1 0 0 0 0 1 0 0 1 1 X 0 1 0 1 X OFF ON OUT VOLTAGE 8.5V OUT VOLTAGE 8.3V OUT VOLTAGE 8.1V OUT VOLTAGE 7.9V OUT VOLTAGE 7.7V FUNCTION
X = don't care
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L5952
OUT 4
MSB D7 D6 D5 D4 D3 D2 D1 LSB D0 0 1 0 0 0 0 1 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 X OFF ON OUT VOLTAGE 7.3V OUT VOLTAGE 7.0V OUT VOLTAGE 6.6V OUT VOLTAGE 6.3V OUT VOLTAGE 6.0V OUT VOLTAGE 5.5V OUT VOLTAGE 5.0V FUNCTION
OUT 5
MSB D7 D6 D5 D4 D3 D2 D1 LSB D0 0 1 0 1 OFF ON OUT VOLTAGE 3.3V OUT VOLTAGE 5.0V FUNCTION
OUT 6
MSB D7 D6 D5 D4 D3 D2 0 0
Note: Default setting indicated with underline.
LSB D1 0 0 D0 0 1 OFF ON FUNCTION
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L5952
EXAMPLES < Example 1 - no autoincrement mode - > power on Vin = ON All output OFF (at RESET = "L") release reset RESET = "H". Send sequence: Initial Set start I2C 1000 1000 Chip address 0000 0001 OUT3 subaddress 0000 0010 OUT3 data (8.3V, OFF) stop I2C start I2C 1000 1000 Chip address 0000 0010 OUT4 subaddress 0000 0010 OUT4 data (7.0V, OFF) stop I2C start I2C 1000 1000 Chip address 0000 0011 OUT5 subaddress 0000 0000 OUT5 data (3.3V, OFF) stop I2C Set Turn-On start I C 1000 1000 Chip address 0000 0000 OUT2 subaddress 0000 0001 OUT2 data (ON) stop I2C start I2C 1000 1000 Chip address 0000 0001 OUT3 subaddress 0000 0011 OUT3 data (8.3V, ON) stop I2C start I2C 1000 1000 Chip address 0000 0010 OUT4 subaddress 0000 0011 OUT4 data (7.0V, ON) stop I2C start I2C 1000 1000 Chip address 0000 0011 OUT5 subaddress 0000 0001 OUT5 data (3.3V, ON) stop I2C start I2C 1000 1000 Chip address 0000 0100 OUT6 subaddress 0000 0001 OUT6 data (ON) stop I2C
2
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L5952
EXAMPLES < Example 1 - no autoincrement mode - > power on Vin = ON All output OFF (at RESET = "L") release reset RESET = "H". Send sequence: Initial Set start I2C 1000 0000 0000 0000 0000 0000 0000 stop I2C Set Turn-On start I2C 1000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 stop I2C < Example 2A - autoincrement mode - > power on Vin = ON All output OFF (at RESET = "L") release reset RESET = "H" start I2C initial set 1000 0001 0000 0000 0000 1000 0001 0010 0010 0000 Chip address OUT3 subaddress, autoincrement ON OUT3 data (8.3V, OFF) OUT4 data (7.0V, OFF) OUT5 data (3.3V, OFF) 1000 0000 0001 0001 0011 0010 0011 0011 0001 0100 0001 Chip address OUT2 subaddress OUT2 data (ON) OUT3 subaddress OUT3 data (8.3V, ON) OUT4 subaddress OUT4 data (7.0V, ON) OUT5 subaddress OUT5 data (3.3V, ON) OUT6 subaddress OUT6 data (ON) 1000 0001 0010 0010 0010 0011 0000 Chip address OUT3 subaddress OUT3 data (8.3V, OFF) OUT4 subaddress OUT4 data (7.0V, OFF) OUT5 subaddress OUT5 data (3.3V, OFF)
stop I2C start I2C set turn-on 1000 0001 0000 0000 0000 0000 0000 1000 0000 0001 0011 0011 0001 0001 Chip address OUT2 subaddress, autoincrement ON OUT2 data (ON) OUT3 data (8.3V, ON) OUT4 data (7.0V, ON) OUT5 data (3.3V, ON) OUT6 data (ON)
stop I2C Before turning on (set turn on procedure), the output voltage should be fixed, as it is done in the initial set procedure. Do not change the bits of "turn on" and "output voltage" at the same time, otherwise the correct output
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L5952
voltage may not be present.
Note - example 1 & 2 don't use the OUT2 and OUT6 bytes in the initial set procedure, since these two bytes are not related to the setting of output voltages
< Example 2B - autoincrement mode - > power on Vin = ON All output OFF (at RESET = "L") release reset RESET = "H" start I2C initial set 1000 0001 0000 0000 0000 1000 0001 0010 0010 0000 Chip address OUT3 subaddress, autoincrement ON OUT3 data (8.3V, OFF) OUT4 data (7.0V, OFF) OUT5 data (3.3V, OFF)
stop I2C start I2C set turn-on 1000 0001 0000 0000 0000 0000 0000 1000 0010 0011 0001 0001 0001 0011 Chip address OUT4 subaddress, autoincrement ON OUT4 data (7.0V, ON) OUT5 data (3.3V, ON) OUT6 data (ON) OUT2 data (ON) OUT3 data (8.3V, ON)
stop I2C The autoincrement implements a counter by 5, this means that during autoincrement the next date after out 6 byte will be OUT2 date byte. In the example are refreshed in sequence the bytes: OUT4 - OUT5 - OUT6 - OUT2 - OUT3
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L5952
mm TYP. 4.50 1.90 1.40 0.90 0.39 1.00 24.00 29.23 17.00 12.80 0.80 22.47 18.97 15.70 7.85 5 3.5 4.00 4.00 2.20 2 1.70 0.5 0.3 1.25 0.50 inch TYP. 0.177 0.074 0.055 0.035 0.015 0.040 0.945 1.150 0.669 0.503 0.031 0.884 0.747 0.618 0.309 0.197 0.138 0.157 0.157 0.086 0.079 0.067 0.02 0.12 0.049 0.019
DIM. A B C D E F (1) G G1 H (2) H1 H2 H3 L (2) L1 L2 (2) L3 L4 L5 M M1 N O R R1 R2 R3 R4 V V1 V2 V3
MIN. 4.45 1.80 0.75 0.37 0.80 23.75 28.90
MAX. 4.65 2.00 1.05 0.42 0.57 1.20 24.25 29.30
MIN. 0.175 0.070 0.029 0.014 0.031 0.935 1.139
MAX. 0.183 0.079 0.041 0.016 0.022 0.047 0.955 1.153
OUTLINE AND MECHANICAL DATA
22.07 18.57 15.50 7.70
22.87 19.37 15.90 7.95
0.869 0.731 0.610 0.303
0.904 0.762 0.626 0.313
3.70 3.60
4.30 4.40
0.145 0.142
0.169 0.173
5 (T p.) 3 (Typ.) 20 (Typ.) 45 (Typ.)
Flexiwatt25 (vertical)
(1): dam-bar protusion not included (2): molding protusion included
V C B V V3 H3 H H1 H2 R3 R4 V1 R2 R L L1 A
L4
O
L2
N
L3
V1
V2
R2 L5 G G1 F
FLEX25ME
R1 R1 R1 E M M1
D
Pin 1
7034862
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L5952
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2003 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States www.st.com
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