L6234 STMicroelectronics, L6234 Datasheet
L6234
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L6234
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L6234 Summary of contents
Page 1
... AND ENABLE EVERY HALF BRIDGE 10V EXTERNAL REFERENCE AVAILABLE DESCRIPTION The L6234 is a triple half bridge to drive a brushless motor realized in Multipower BCD technology which combines isolated DMOS power transistors with CMOS and Bipolar circuits on the same chip. By using mixed technology it has been possible to optimize the logic circuitry and the power stage to achieve the best possible performance ...
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... L6234 BLOCK DIAGRAM 10nF 1 F VCP VREF CHARGE PUMP IN1 EN1 IN2 EN2 THERMAL PROTECTION IN3 EN3 2/10 VBOOT V = REF 10V TH1 TL1 TH2 TL2 TH3 TL3 GND 0.22 F 1N4148 Vs 7 0.1 100 F to 52V F OUT1 OUT2 SENSE1 OUT3 SENSE2 R SENSE ...
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... PowerSO20 package can be found in: Application Note AN467: Thermal Characteristics of the PowerDip 20,24 Packages Soldered on 1,2,3 oz. Copper PCB Application Note AN668: A New High Power IC Surface Mount Package: PowerSO20 Power IC Packaging from Insertion to Surface Mounting. L6234 DIP16+2+2 PowerSO20 Unit 12 – C/W 40 – C/W 50 – ...
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... V BOOT 5,6 1,10 GND 15,16 11,20 4/10 Parameter L6234PD amb L6234 amb Parameter = 25°C) amb = 25°C) with infinite heatsink amb < 300nsec) w Output of the channels 1/2/3. Logic input of channels 1/2/3. A logic HIGH level (when the corresponding EN pin is HIGH) switches ON the upper DMOS Power Transistor, while a logic LOW switches ON the corresponding low side DMOS Power ...
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... INL, ENL I I Input HIGH Current INH, ENH CIRCUIT DESCRIPTION L6234 is a triple half bridge designed to drive brushless DC motors. Each half bridge has 2 power DMOS transistors with 0.3 The 3 half bridges can be ds controlled independently by means of the 3 inputs IN1, IN2, IN3 and the 3 inputs EN1, EN2, and = 42V ...
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... L6234 Figure 1. Quiescent Current vs. Supply Volt- age Figure 3. Typical RDS (ON) vs. Supply Voltage ° ° ° Figure 5. Typical Diode Forward ON charac- teristics ° 0 6/10 Figure 2. Normalized Quiescent Current vs. Iq/(Iq@500Hz) 1. °C 1 ° °C 1. ° Figure 4. Source Drain Forward ON voltage VSD [ ...
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... Figure 7. Reference Voltage vs. Junction Tem- perature -50 - [° Figure 9. PowerSO-20 Thermal Resistance (Mounted on Aluminium substrate) Figure 11. PowerSO-20: with external heatsink Figure 8. PowerSO-20 Transient Thermal Re Figure 10. PowerSO-20 Thermal Resistance Figure 12. Thermal Impedance of PowerSO-20 sistance (Mounted on FR4 monolayer substrate) and standard SO20 L6234 7/10 ...
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... L6234 mm DIM. MIN. TYP. MAX. A 3.6 a1 0.1 0.3 0.004 a2 3 0.1 0.000 b 0.4 0.53 0.016 c 0.23 0.32 0.009 D (1) 15.8 16 0.622 D1 9.4 9.8 0.370 E 13.9 14.5 0.547 e 1.27 e3 11.43 E1 (1) 10.9 11.1 0.429 E2 2.9 E3 5.8 6.2 0.228 G 0 0.1 0.000 H 15.5 15 ...
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... TYP. MAX. MIN. a1 0.51 0.020 B 0.85 1.40 0.033 b 0.50 b1 0.38 0.50 0.015 D 24.80 E 8.80 e 2.54 e3 22.86 F 7.10 I 5.10 L 3.30 Z 1.27 inch MECHANICAL DATA TYP. MAX. 0.055 0.020 0.020 0.976 0.346 0.100 0.900 0.280 0.201 0.130 0.050 L6234 OUTLINE AND Powerdip 20 9/10 ...
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... L6234 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. Specification mentioned in this publication are subject to change without notice ...