L9856

L9856 High voltage high-side driver Features ■ High voltage rail up to 160 V ■ dV/dt immunity ±50 V/nsec in full temperature range ■ Driver current capability: 500 mA source, 500 mA sink SO-8 ■ Switching times 100 ns rise/fall with 2.5 nF load ■ CMOS/TTL Schmitt trigger inputs with hysteresis ■ Under voltage lock out ■ Clamping on VCC Description ■ Loading circuit for external Bootstrap capacitor ■ Inverting input ■ Reset circuitry The L9856 is an high voltage device, manufactured with the BCD "OFF-LINE" technology. ■ SO-8 package Table 1. It has the capability of driving N-Channel Power MOS transistors. The upper (floating) section is enabled to work with voltage rail up to 160 V. The logic Inputs are CMOS/TTL compatible for ease of interfacing with controlling devices. Device summary Order code Operating temp range, C Package Packing L9856 -40 to +125 SO-8 Tube L9856TR -40 to +125 SO-8 Tape and Reel September 2013 Rev 3 1/14 www.st.com 1 Contents L9856 Contents 1 2 Block diagram andpin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.5 Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2/14 L9856 List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3/14 List of figures L9856 List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. 4/14 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Input/output timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Reset timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SO-8 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 L9856 Block diagram andpin description 1 Block diagram andpin description 1.1 Block diagram Figure 1. Block diagram VB Undervoltage RESET VB to VS Pulse Filter FLIP FLOP Break before Make VCC HO Undervoltage RESET VCC to GND RES- Level Shifter "ON" Logic Pulse Filter Delay Level Shifter "OFF" IN- Recharge path VS GND 1.2 Pin description Figure 2. Table 2. Pin connection (top view) VCC 1 8 VB IN- 2 7 HO GND 3 6 NC RESET- 4 5 VS Pin function Pin # Pin name Description 1 VCC Driver supply, typical 5V 2 IN- Driver control signal input (negative logic) 3 GND 4 RESET- 5 VS MOSFET source connection 6 NC No connection (no bondwire) 7 HO MOSFET gate connection 8 VB Driver output stage supply Ground Driver enable signal input (negative logic) 5/14 Electrical specifications L9856 2 Electrical specifications 2.1 Thermal data Table 3. 2.2 Thermal data Symbol Parameter Rth(j-amb) Thermal resistance junction to ambient Value Unit 150 °C/W Max. Absolute maximum ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to GND, all currents are defined positive into any lead. An operation above the absolute maximum limit is not implied and can damage the part. Table 4. Absolute maximum ratings Value Symbol Units Min. Max. -0.3 20 V VBS High side floating supply voltage. VB High side driver output stage voltage neg. transient: 0.5 ms, external MOSFET off. -5 166 V VS High side floating supply offset voltage neg. transient 0.1 µs, repetitive pulse over lifetime at every switching event. -8 150 V VS - 0.3 VB + 0.3 V VHO Output voltage gate connection. VCC Supply voltage. -0.3 20 V VIN Input voltage. -0.3 VCC + 0.3 V IIN Input injection current. Full function, no latchup; (guaranteed by design). Test at 5 V and 7 V on Eng. Samples. --- +1 mA -0.3 VCC + 0.3 V VRES Reset input voltage. Vesd Electrostatic discharge voltage (human body model). 2k V VCDM Charge device model CDM, EOS/ESD Ass. Std 5.3. Number of discharges per pin: 6. 500 V dV/dt Allowable offset voltage slew rate. -50 50 TJ Junction temperature. -55 150 Tstg Storage temperature. -55 150 TL 6/14 Parameter Lead temperature (Soldering, 10 seconds) 3 times Bosch soldering profile acc. to Bosch soldering conditions, Gen. Spec. V/nsec °C - 300 L9856 Electrical specifications 2.3 Recommended operating conditions For proper operations the device should be used within the recommended conditions. Table 5. Recommended operating conditions Value Symbol VB(1) Parameter Units High side driver output stage voltage Min. Max. VS+4.4 VS+18 V -3.2 -2.9 150 150 V High side floating supply offset voltage (25°C) (125°C) VS VHO Output voltage gate connection VS VB V VCC Supply voltage 4.4 6.5 V VIN Input voltage 0 VCC V Reset input voltage 0 VCC V -50 50 V/nsec 200 kHz VRES dV/dt(2) FS Allowable offset voltage slew rate Switching frequency 1. Reset-Logic functional for VBS > 2V, independent from VCC-level. 2. Guaranteed by design. 2.4 Electrical characteristics Table 6. Electrical characteristics Unless otherwise specified, VCC = 5 V, VBS = 7 V, VS = 0 V, IN = 0 V, RES = 5 V, load R = 50 , C = 2.5 nF. Unless otherwise noted, these specifications apply for an operating ambient temperature range of -40 °C VCCUV+ < VBSUV- HIGH LOW OFF OFF X means independent from signal. L9856 3 Timing diagrams Timing diagrams Figure 3. Input/output timing diagram IN RES 90% 90% Vs HO 10% 10% t plhi t rx t phli t fx DT HON DT HOFF OFF Recharge ON t on-rech t off-rech Figure 4. Reset timing diagram IN RES HO t plhr t phlr 11/14 Package information 4 L9856 Package information In order to meet environmental requirements, ST (also) offers these devices in ECOPACK® packages. ECOPACK® packages are lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. Figure 5. SO-8 mechanical data and package dimensions mm inch DIM. MIN. TYP. A MAX. MIN. TYP. MAX. 1.750 0.0689 0.250 0.0039 0.0098 A1 0.100 A2 1.250 0.0492 b 0.280 0.480 0.0110 0.0189 c 0.170 0.230 0.0067 0.0091 D (1) 4.800 4.900 5.000 0.1890 0.1929 0.1969 E 5.800 6.000 6.200 0.2283 0.2362 0.2441 E1(2) 3.800 3.900 4.000 0.1496 0.1535 0.1575 e 1.270 0.0500 h 0.250 0.500 0.0098 L 0.400 1.270 0.0157 L1 k ccc 1.040 0˚ OUTLINE AND MECHANICAL DATA 0.0197 0.0500 0.0409 8˚ 0.100 0˚ 8˚ 0.0039 Notes: 1. Dimensions D does not include mold flash, protrusions or gate burrs. Mold flash, potrusions or gate burrs shall not exceed 0.15mm in total (both side). 2. Dimension “E1” does not include interlead flash or protrusions. Interlead flash or protrusions shall not exceed 0.25mm per side. SO-8 0016023 D 12/14 L9856 5 Revision history Revision history Table 8. Document revision history Date Revision Changes 29-Jun-2007 1 Initial release. 30-May-2008 2 Update Features section on page 1. Updated Table 4: Absolute maximum ratings on page 6. Updated Table 5: Recommended operating conditions on page 7. 20-Sep-2013 3 Updated disclaimer. 13/14 L9856 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. 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