VN772K STMicroelectronics, VN772K Datasheet
VN772K
Specifications of VN772K
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VN772K Summary of contents
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... Undervoltage protection ■ ESD protection Description The VN772K is a device formed by three monolithic chips housed in a standard SO-28 package: a double high side and two low side switches. Both the double high side and low side switches are made using STMicroelectronics VIPower™ ...
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... Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 5.1 SO-28 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 5.2 SO-28 tube shipment 5.3 Tape and reel shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 2/33 Thermal resistances definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Thermal calculation in transient mode . . . . . . . . . . . . . . . . . . . . . . . . . 27 Single pulse thermal impedance definition . . . . . . . . . . . . . . . . . . . . . . 27 Pulse calculation formula . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Doc ID 12535 Rev 3 VN772K 27 ...
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... VN772K List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Pin definition and function Table 3. Thermal data Table 4. Dual high side switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5. Low side switch Table 6. Power outputs (per each channel Table 7. Switching (per each channel) (V Table 8. Logic input (per each channel Table 9. ...
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... Turn-off drain source voltage slope (V Figure 42. Turn-off drain source voltage slope (V Figure 43. Current limit vs junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 44. Application diagram bridge drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 45. Recommended motor operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 46. Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 47. SO-28 PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 48. Chipset configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4/ case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 CC =5V =3.5V =5V =10Ohm =7A =3.5V =5V Doc ID 12535 Rev 3 VN772K ...
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... VN772K Figure 49. Auto and mutual Rthj-amb vs PCB copper area in open box free air condition . . . . . . . . . 26 Figure 50. SO-28 HSD thermal impedance junction ambient single pulse . . . . . . . . . . . . . . . . . . . . . 28 Figure 51. SO-28 LSD thermal impedance junction ambient single pulse Figure 52. Thermal fitting model of an H-bridge in SO- Figure 53. ...
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... Block diagrams and pins descriptions 1 Block diagrams and pins descriptions Figure 1. Block diagram 6/33 Doc ID 12535 Rev 3 VN772K ...
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... VN772K Table 2. Pin definition and function 25 10, 19 12, 14, 15 16, 17 20, 21 22, 23 26, 27 Figure 2. Connection diagram Name DRAIN 3 Drain of switch 3 (low-side switch) INPUT 3 Input of switch 3 (low-side switch) N.C. Not connected Drain of switches 1 and 2 (high-side switches) and power V CC supply voltage GND ...
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... Table 5. Low side switch Symbol V Drain source voltage ( Input voltage IN I Input current IN 8/33 Parameter heat sink) Parameter =25°C) C Parameter = 0V) IN Doc ID 12535 Rev 3 VN772K Value Max (°C/ See Figure 49 Value Unit 41 V -0.3 V -200 mA Internally limited ±10 mA ±10 mA 4000 ...
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... VN772K Table 5. Low side switch (continued) Symbol R Minimum input series impedance IN MIN I Drain current D I Reverse DC output current R V Electrostatic discharge (R = 1.5KΩ 100pF) ESD1 Electrostatic discharge on output pin only (human V ESD2 body model 330Ω 150pF) P Power dissipation (T tot T Operating junction temperature j 2 ...
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... See relative - diagram Min Typ - - 0.5 - 6.8 6 -0.7 Min Typ - - = STAT = STAT 6.8 6 -0.7 Min Typ Max 150 175 135 - 7 15 VN772K Max Unit - µs - µs - V/µs - V/µs Max Unit 1. µ µ Max Unit 0 µA 100 Unit 200 °C - °C - ° ...
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... VN772K Table 10. Protections (per each channel) (continued) Symbol Parameter Status delay in t SDL overload conditions I Current limitation lim Turn-off output clamp V demag voltage Note: To ensure long term reliability under heavy overload or short circuit conditions, protection and related diagnostic signals must be used together with a proper software strategy. If the device is subjected to abnormal conditions, this software must limit the duration and number of activation cycles ...
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... IN MIN V =15V; I =3. =5V; R =2.2KΩ gen gen V =15V; I =3.5A V =5V gen =150Ω gen IN MIN V =12V; I =3.5A 2.13mA gen Doc ID 12535 Rev 3 VN772K Min Typ Max Unit 6 6 -1.0 -0 µA 75 Min Typ Max Unit mΩ 120 Min Typ Max Unit - ...
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... VN772K Table 16. Source drain diode Symbol Parameter (1) V Forward on voltage SD t Reverse recovery time rr Reverse recovery Q rr charge Reverse recovery I RRM current 1. Pulsed: Pulse duration = 300 µs, duty cycle 1.5% -40°C < Tj < 150°C, unless otherwise specified. Table 17. Protections Symbol Parameter ...
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... Electrical specifications 2.5 Dual high-side switch timing data Figure 3. Switching time waveforms Table 18. Truth table Conditions Normal operation Current limitation Over temperature Undervoltage Overvoltage Output voltage > V Output current < 14/33 Input Doc ID 12535 Rev 3 VN772K Output Status < TSD X (T > TSD ...
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... VN772K Figure 4. Open-load status timing (with external pull-up) Figure 5. Over temperature status timing Doc ID 12535 Rev 3 Electrical specifications 15/33 ...
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... Electrical specifications 2.6 Electrical characterization for dual high side switch Figure 6. Off-state output current Figure 8. High level input current Figure 10. Input low level voltage 16/33 Figure 7. Input clamp voltage Figure 9. Input high level voltage Figure 11. Input hysteresis voltage Doc ID 12535 Rev 3 VN772K ...
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... VN772K Figure 12. Overvoltage shutdown Figure 14. Turn-on voltage slope Figure 16. On-state resistance vs T Figure 13. I LIM Figure 15. Turn-off voltage slope Figure 17. On-state resistance vs V case Doc ID 12535 Rev 3 Electrical specifications vs T case CC 17/33 ...
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... Electrical specifications Figure 18. Status leakage current Figure 20. Openload on-state detection threshold Figure 22. Status clamp voltage 18/33 Figure 19. Status low output voltage Figure 21. Openload off-state voltage detection threshold Doc ID 12535 Rev 3 VN772K ...
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... VN772K 2.7 Electrical characterization for low side switches Figure 23. Static drain source on resistance Figure 25. Transconductance Figure 27. Turn-on current slope (V Figure 24. Derating curve Figure 26. Transfer characteristics =5V) Figure 28. Turn-on current slope (V in Doc ID 12535 Rev 3 Electrical specifications =3.5V) in 19/33 ...
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... Electrical specifications Figure 29. Input voltage vs input charge Figure 31. Switching time resistive load (V =5V) in Figure 33. Output characteristics 20/33 Figure 30. Capacitance variations Figure 32. Switching time resistive load (R =10Ohm) g Figure 34. Step response current limit Doc ID 12535 Rev 3 VN772K ...
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... VN772K Figure 35. Source drain diode forward characteristics Figure 37. Static drain source on resistance vs input voltage (I d Figure 39. Normalized input threshold voltage vs temperature Figure 36. Static drian source on resistance vs v Figure 38. Static drain source on resistance vs =7A) Figure 40. Normalized on resistance vs Doc ID 12535 Rev 3 Electrical specifications ...
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... Electrical specifications Figure 41. Turn-off drain source voltage slope (V =3.5V) in Figure 43. Current limit vs junction temperature 22/33 Figure 42. Turn-off drain source voltage slope (V =5V) in Doc ID 12535 Rev 3 VN772K ...
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... VN772K 3 Application recommendations Figure 44. Application diagram bridge drivers Most motor bridge drivers use a reverse battery protection diode (D) inside the supply rail. This diode prevents a reverse current flow back to V disabled via the logic inputs while motor inductance still carries energy. In order to prevent a hazardous overvoltage at circuit supply terminal (V limit the voltage overshoot. As basic orientation, 50µ ...
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... Application recommendations Figure 45. Recommended motor operation 24/33 Doc ID 12535 Rev 3 VN772K ...
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... VN772K Figure 46. Waveforms Application recommendations Doc ID 12535 Rev 3 25/33 ...
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... R thB Figure 49. Auto and mutual Rthj-amb vs PCB copper area in open box free air condition a. see definitions in 26/33 R thAB HIGH SIDE CHIP channel 1,2 R thA R thBC (a) Section 5.2 on page 31 Doc ID 12535 Rev 3 VN772K thAC LOW SIDE CHIP channel 4 R thC ...
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... VN772K 4.2 Thermal calculation in clockwise and anti-clockwise operation in steady state mode Table 19. Thermal calculation in clockwise and anti-clockwise operation in steady state mode Off Off On Off On On Off 4.2.1 Thermal resistances definition Values according to the PCB heatsink area thHS thHS1 in on-state thLS thLS3 ...
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... Thermal data Figure 50. SO-28 HSD thermal impedance junction ambient single pulse Figure 51. SO-28 LSD thermal impedance junction ambient single pulse 28/33 Doc ID 12535 Rev 3 VN772K ...
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... VN772K Figure 52. Thermal fitting model of an H-bridge in SO-28 Table 20. Thermal parameters Area/island ( (°C/W) R2 (°C/W) R12 = R17 (°C/ R13 = R 18 (°C/ R14 = R19 (°C/ R15 = R20 (°C/ R10 (°C/W) R11 = R16 (°C/ (W.s/° C11 (W.s/° (W.s/° C13 (W.s/° C10 (W.s/° ...
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... Doc ID 12535 Rev 3 inch Min. Typ. 0.004 0.013 0.009 0.020 45° (typ.) 0.697 0.393 0.050 0.650 0.291 0.016 8° (max.) VN772K Max. 0.104 0.012 0.019 0.012 0.713 0.419 0.299 0.050 ...
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... VN772K 5.2 SO-28 tube shipment Figure 54. Tube dimensions (no suffix) 5.3 Tape and reel shipment Figure 55. Tape and reel dimensions (suffix “13TR”) Doc ID 12535 Rev 3 Package mechanical data 31/33 ...
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... Document formatted into new ST template Dimensions updated, 2 “13TR”) on page 31 Application diagram updated, bridge drivers on page 23 Updated Table 3: Thermal 3 Updated note of Figure 47: SO-28 PC Updated Figure 48: Chipset Doc ID 12535 Rev 3 Changes seeFigure 55: Tape and reel dimensions (suffix seeFigure 44: Application diagram data. board. configuration. VN772K ...
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... VN772K 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. ...