L5958 STMICROELECTRONICS [STMicroelectronics], L5958 Datasheet
L5958
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L5958 Summary of contents
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... Thermal shutdown ■ Overcurrent limitation ■ All pin ESD protected Description The L5958 includes 6 linear voltage regulators and power switch, working down to 4.5 V battery level. All the voltage regulators can be switched off through the three enable pins. Table 1. Device summary ...
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... Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.4 Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3.5 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2/20 Doc ID 17716 Rev 1 L5958 ...
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... L5958 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 4. Thermal data Table 5. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 6. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Doc ID 17716 Rev 1 List of tables 3/20 ...
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... BU2 backup diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 9. Maximum ESR for stability (valid for all the regulator outputs Figure 10. Current limit of the power switch Figure 11. Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 17 Figure 12. Flexiwatt27 (SMD) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . 18 4/20 detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Doc ID 17716 Rev 1 L5958 ...
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... L5958 1 Block diagram Figure 1. Block diagram VIN1 EN_SW EN_3P3P -1P8P BU1 BU2 EN_3P3SW_1P8SW V IN2 EN_8P5SW_5PSW IGNIN POWER SWITCH 1.8V perm REGULATOR V ref 3.3V perm REGULATOR 1.8V REGULATOR 3.3V REGULATOR 5V REGULATOR 8.5V REGULATOR <5.37V >18.55V <8.65V >16.55V LOAD DUMP WARN IGNOUT Doc ID 17716 Rev 1 Block diagram SW REG6 ...
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... VIN1 11 VDDCORE 10 AUDIO_LOW_IN 9 EN_SW GND 6 REG5(3P3P) 5 CRES 4 BU1 3 RES 2 REG6(1P8P) 1 TAB Doc ID 17716 Rev 1 L5958 TAB REG6(1P8P) RES BU1 CRES REG5(3P3P) GND SW EN_SW AUDIO_LOW_IN VDDCORE VIN1 CAN_LOW_IN AUDIO_HIGH_OUT AUDIO_LOW_OUT REG2(5V) CAN_PRETEMP REG1(8P5) EN_8P5_5 REG4(1P8sw) IGNOUT VIN2 IGNIN REG3((3P3sw) EN_3P3_1P8 ...
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... L5958 Table 2. Pin description Pin Pin name TAB REG6(1P8P) Output of Reg6 (1.8 V/100 mA) RES Reset signal for MCU application Connect to a reserve capacitor. When battery is removed suddenly, the energy stored in this ...
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... Operating Operating Reverse polarity Reverse polarity Standby (-40 ° °C) Perm reg on Standby (25 °C) Perm reg off Standby (-40 ° °C) Perm reg off Doc ID 17716 Rev 1 L5958 Value Unit 30 50 internally limited -40 to 105 °C -55 to 150 °C -55 to 150 ° ...
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... L5958 Table 5. Electrical characteristics (continued) Symbol Parameter Load dump Battery over voltage V in1 Load dump Battery over voltage V in2 Regulator 1 V Output voltage 8.5V o (8.5sw) ΔV Line regulation ΔV Load regulation i PSRR Supply voltage ripple rejection V Drop out voltage drop I Current limit ...
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... R short I = 1.8 A max. dcSW Peak time < Peak time > 3.3 V reg5 V = 1.8 V reg6 SINK(RES) Reset = kΩ & RES RES Doc ID 17716 Rev 1 L5958 Min. Typ. Max. Unit 3.15 3.30 3. 100 0.7 V 150 - ...
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... L5958 Table 5. Electrical characteristics (continued) Symbol Parameter VDD_CORE_VAL buffer (open drain RESET for switched regulators) RES RES threshold voltage for reg3 reg3 V Hysteresis of reset for reg3 hys_reg3 RES RES threshold voltage for reg4 reg4 V Hysteresis of reset for reg4 hys_reg4 V Low level ...
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... GND TAB V = 1.25V (R3 + R4)/ R4 TH1(hold_can 1.25V (R1 + R2)/R2 TH2(hold_audio) Doc ID 17716 Rev 1 0.1µF 20 REG4_1P8SW 10µF 24 REG3_3P3SW 10µF REG6_1P8P 2 10µF REG5_3P3P 6 10µF REG1_8P5 18 10µF REG2_5V 16 10µF 10k 11 VDDCORE 8 SW 10k AUDIO_HIGH_OUT 14 10k 15 AUDIO_LOW_OUT 10k 17 CAN_PRETEMP 10k 3 RES 15pF AC00567 L5958 ...
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... L5958 Figure 4. Regulator and power switch diagram 18V VIN1 9V 18V VIN2 4.5V 5V EN_3P3_1P8 5V EN_3P3sw_1P8sw 5V EN_8P5_5 5V EN_sw 8.5V REG1 5V REG2 3.3V REG3 1.8V REG4 3.3V REG5 1.8V REG6 VIN1 SW Temperature Protection DUMP DUMP Doc ID 17716 Rev 1 Electrical specifications AC00597 13/20 ...
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... Hold AUDIO High Figure 6. Timing chart 1.8 Vperm/3.3 Vperm and 1.8V sw/3.3 Vsw 14/20 detection batt 20Vmax 17.8Vmax 9.2Vmax Vbatt En_perm 3.3Vperm 1.8Vperm En_sw 3.3Vsw 1.8Vsw 0.5Vmax 0.5Vmax 3.3Vsw 3.3Vperm 1.8Vsw 0.5Vmax 0.5Vmax 1.8Vperm Doc ID 17716 Rev 1 17V min 15.2V min 7.8V min 5.0V min AC00602 AC00603 L5958 ...
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... L5958 Figure 7. Reset and BU1 backup diagram Figure 8. BU2 backup diagram Figure 9. Maximum ESR for stability (valid for all the regulator outputs) 50mΩ Vin1 14 V REG5 3.30 V 3.20 V 3.15 V REG6 1.80 V 1.76 V 1.74 V CDELAY 3 V RESET Vin1 14 V REG3 3.30 V REG4 1.80 V ESR [ Ω Stable region ...
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... Electrical specifications Figure 10. Current limit of the power switch 16/ [A] V < 16V > 16V cc 1 Doc ID 17716 Rev 1 L5958 t [ms] ...
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... L5958 4 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® trademark. Figure 11. Flexiwatt27 (vertical) mechanical data and package dimensions DIM ...
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... Doc ID 17716 Rev 1 L5958 OUTLINE AND MECHANICAL DATA Flexiwatt27 (SMD) 7993733 B ...
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... L5958 5 Revision history Table 6. Document revision history Date 12-Jul-2010 Revision 1 Initial release. Doc ID 17716 Rev 1 Revision history Changes 19/20 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 20/20 Please Read Carefully: © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 17716 Rev 1 L5958 ...