AL5836Q DIODES | Alldatasheet
Document overview
- Manufacturer or author: Provided By alldatasheet.com(free datasheet download site)
- PDF pages: 14
Technical content
Features
- Qualified to AEC-Q100 Grade 1
- Gate Drive Current 50mA per channel
- Three-Channel Pulse Width Modulation (PWM) Dimming
- Independent Diagnostic and Protection per Channel
- Drive External Power MOSFET or BJT
- External Resistors Define Peak Current
- Open/Short LED String Diagnostic and Protection
- Thermal Shutdown Protection
- Support Multiple Strings
- Undervoltage Lockout
- 6KV HBM ESD for Vin and PWM pins
- Good EMI Immunity
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)
- The AL5836Q is suitable for automotive applications requiring specific change control; this part is AEC-Q100 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. https://www.diodes.com/quality/product-definitions/ Pin Assignments (Top View – Not to Scale) 3 12 14Vin PWM1 PWM2 OS2 OS1 SW113 4PWM3 11 SW2 NC 7NC
9 SW3
8 GND
Applications
- Rear lamps
- Daytime running lights (DRLs)
- Fog lamps
- Center high-mounted stop lights (CHMSLs)
- Turn signals
- LED lighting modules Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.
© 2025 Copyright Diodes Incorporated. All Rights Reserved. Figure 1. Application Diagram
1 Vin Supply input
2 PWM1 I/O pin - PWM signal input 1 and diagnosis. SW1 on. 3 PWM2 I/O pin - PWM signal input 2 and diagnosis. SW2 on. 4 PWM3 I/O pin - PWM signal input 3 and diagnosis. SW3 on.
5 NC No Connection
6 NC No Connection
7 NC No Connection
8 GND Ground
9 SW3 Channel 3 gate drive output
10 OS3 Open/Short detection for channel 3
11 SW2 Channel 2 gate drive output
12 OS2 Open/Short detection for channel 2
13 SW1 Channel 1 gate drive output
14 OS1 Open/Short detection for channel 1
© 2025 Copyright Diodes Incorporated. All Rights Reserved. Figure 2. Block Diagram
Document number: DS45175 Rev. 2 - 2 4 of 14 www.diodes.com February 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. AL5836Q Absolute Maximum Ratings (Note 4) Symbol Parameter Rating Unit VVin Supply Voltage Relative to GND -0.3 to 55 V VPWM1, VPWM2, VPWM3 High Voltage Input-Output Pins (PWM1, PWM2, PWM3) -40 to 55 V VOS1, VOS2, VOS3 High Voltage Input Pins (OS1, OS2, OS3) -0.3 to 55 V VSW1, VSW2, VSW3 Low Voltage Pins (SW1, SW2, SW3) -0.3 to 6.5 V TJ Operating Junction Temperature -40 to +150 °C TST Storage Temperature -55 to +150 °C Note: 4. Stresses greater than those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to Absolute Maximum Ratings for extended periods may affect device reliability. Voltage Rating in this table indicates Maximum Stress Voltages during latch-up immunity test ESD Ratings Symbol Parameter Rating Unit VESD Human-Body Model (HBM), Per AEC Q100-002 (Note 5) All PWMx versus GND and Vin versus GND ±6000 V All pin combinations ±2000 Charged-Device Model (CDM), per AEC Q100-011 ±1000 Note: 5. AEC-Q100-002 indicates that HBM stressing shall be accordance with the ANSI/ESDA/JEDEC JS-001 specification Recommended Operating Conditions Symbol Parameter Min Max Unit TA Operating Ambient Temperature -40 +125 °C Package Thermal Data (Note 6) Symbol Thermal Resistance TSSOP-14 Unit RƟJA Junction-to-ambient thermal resistance 138.1 °C/W RƟJC(top) Junction-to-case (top) thermal resistance 33.6 °C/W RƟJB Junction-to-board thermal resistance 64.6 °C/W ΨJT Junction-to-top characterization parameter 1.9 °C/W ΨJB Junction-to-board characterization parameter 62.6 °C/W RƟJC(bot) Junction-to-case (bottom) thermal resistance 24.4 °C/W Note: 6. Device mounted on FR-4 PCB (51mm × 51mm 2oz copper); minimum recommended pad layout on top layer and thermal vias to bottom layer ground plane. For better thermal performance, larger copper pad for heat-sink is required.
Document number: DS45175 Rev. 2 - 2 5 of 14 www.diodes.com February 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. AL5836Q Characteristic Conditions Min Typ Max Unit General Parameters Supply Current Vin = 14 V, all PWMx > 2.2V, SWx current subtracted 2.2 5.2 10 mA Vin = 14 V, all PWMx = 0V 30 185 380 µA Undervoltage Lockout Vin rising 2.24 3.35 4.43 V Undervoltage Lockout Hysteresis - - 1.6 - V Thermal Shutdown (TSD) (Note 7) 155 170 190 °C Thermal Hysteresis (Note 7) - 44 - °C Switch Driver Output Source Current SWx = 0.7 V -40C ≤ TJ ≤ +25C 25 50 - mA Output Source Current SWx = 0.7 V +25C ≤ TJ ≤ +125C 15 30 - mA Output Source Current SWx = 0.7 V +125C ≤ TJ ≤ +150C 7.0 15 - mA SWx (PWMx = HIGH) ISWx = -100 µA, 7 V < VIN < 19 V 4.5 5.5 6.5 V ISWx = -100 µA, 6.17 V < VIN < 16 V 4.5 - - V VSWx_Dropout (VIN – VSWx) 5.5V > VIN > 3.5 V, PWMx = High ISWx = -100µA - 45 150 mV ISWx = -10µA - 45 150 mV ISWx = 0µA - 45 150 mV Open Load Open Load Detection Threshold PWMx High 0.7 0.85 1.0 V Open Load Blanking Time - 10 22 35 µs Short Circuit to VIN Short Circuit Detection Threshold PWMx High VIN-1.0 VIN-1.2 VIN-1.4 V Input pull-up current on OSx pins Tested at V(OSx) = Vin - 1.0 V -35 -20 -2.0 µA Short Circuit Blanking Time Tested at 15 V 5.0 10 15 µs Short Circuit to Ground Short Circuit Detection Threshold PWMx Low 0.7 0.85 1.0 V Short Circuit Blanking Time Tested at 15V 10 22 35 µs PWMx Input High Threshold - - - 2.2 V Input Low Threshold - 1.1 - - V Hysteresis - - 0.52 - V Input Pulldown Resistor Tested at V(PWMx) = 15 V 75 150 300 kΩ PWMx Clamp Voltage in error mode PWMx > 5V, 2 mA < I(PWMx) < 9.5 mA 2.80 3.15 3.46 V AC Characteristics Propagation Delay PWMx rising to IoutBJT 50% criterion (Note 8) - 5 15 µs Propagation Delay PWMx falling to IoutBJT 50% criterion (Note 8) - 5 15 µs Propagation Delay PWMx rising to VoutNMOS From PWMx input high threshold to 90% rising of SWx_ON Voltage, Cload = 470 pF - - 5 µs Propagation Delay PWMx falling to VoutNMOS From PWMx input low threshold to 10% falling of SWx_ON Voltage, Cload = 470 pF - - 5 µs Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. Notes: 7. Guaranteed by design. 8. Evaluated at Vin = 14V.
© 2025 Copyright Diodes Incorporated. All Rights Reserved. Figure 3. Input and Output Equivalent Diagrams
© 2025 Copyright Diodes Incorporated. All Rights Reserved. Faulted output strings due to open load conditions sometimes require detection in an automotive rear lighting system. Figure 5. Open Load Detection
© 2025 Copyright Diodes Incorporated. All Rights Reserved. properly on the next falling edge of the PWM input pin. in low-power mode and a short to Ground will not be detected. Figure 6. Short Circuit to Ground Detection
© 2025 Copyright Diodes Incorporated. All Rights Reserved. condition that each string is shorted to VIN (a single string detection is not detected because of the blocking diodes). Figure 7. Short Circuit to Vin Detection threshold, plus the hysteresis, the fault condition is cleared and normal operation is restored.
Document number: DS45175 Rev. 2 - 2 12 of 14 www.diodes.com February 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. AL5836Q
Ordering Information
AL5836 Q– X - X Package Packing T14: TSSOP-14 13: 13" Tape & Reel Device Compliance Q: Automotive Compliant Orderable Part Number Package Code Package Packing Quantity Carrier Part Number Suffix AL5836QT14-13 T14 TSSOP-14 2500 13” Tape and Reel -13 Marking Information ( Top View ) AL5836Q YY WW X X Logo Part Number WW : Week : 01~52; 52 YY : Year : 24, 25, 26~ X X : Internal Code represents 52 and 53 week 14 8 Orderable Part Number Package AL5836QT14-13 TSSOP-14
Document number: DS45175 Rev. 2 - 2 13 of 14 www.diodes.com February 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. AL5836Q Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. TSSOP-14 G L A K a1 D C F Pin# 1 Indent Detail ‘A’ Detail ‘A’ 0.25 Gauge Plane Seating PlaneB TSSOP-14 Dim Min Max a1 7° (4X) a2 0 8° A 4.9 5.10 B 4.30 4.50 C - 1.2 D 0.8 1.05 F 1.00 Typ F1 0.45 0.75 G 0.65 Typ K 0.19 0.30 L 6.40 Typ All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. TSSOP-14 X Y Dimensions Value (in mm) X 0.45 Y 1.45 C1 5.9 C2 0.65 Tape and Reel Information Please see https://www.diodes.com/assets/Packaging-Support-Docs/AP02007.pdf for tape and reel details. Mechanical Data
- Moisture Sensitivity: MSL Level 1 per J-STD-020
- Terminals: Finish - Matte Tin Plated Leads, Solderable per JESD22-B102
- Weight: 0.052 grams (Approximate)
Document number: DS45175 Rev. 2 - 2 14 of 14 www.diodes.com February 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. AL5836Q IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes ’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who d esign with Diodes’ products. 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