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EVB_RT9536HGQW

EVB_RT9536HGQW

  • 厂商:

    RICHTEK(台湾立锜)

  • 封装:

    -

  • 描述:

    EVALMODULEFORRT9536HGQW

  • 数据手册
  • 价格&库存
EVB_RT9536HGQW 数据手册
RT9536HGQW Evaluation Board your power partner. Linear Single Cell Li-Ion Battery Charger IC for Portable Applications Purpose The RT9536H is a fully integrated single cell Li-ion battery charger IC ideal for portable applications. This document explains the function and use of the RT9536H evaluation board (EVB), and provides information to enable operation, modification of the evaluation board and circuit to suit individual requirements. Table of Contents Purpose ................................................................................................................................................................. 1 Introduction............................................................................................................................................................ 2 Key Performance Summary Table .......................................................................................................................... 2 Bench Test Setup Conditions ................................................................................................................................. 3 Schematic, Bill of Materials & Board Layout ........................................................................................................... 5 More Information.................................................................................................................................................... 6 Important Notice for Richtek Evaluation Board ....................................................................................................... 7 EVB_RT9536HGQW-00 January 2016 1 http://www.richtek.com RT9536HGQW Evaluation Board your power partner. Introduction General Product Information The RT9536H is a fully integrated single cell Li-ion battery charger IC ideal for portable applications. The RT9536H optimizes the charging task by using a control algorithm including pre-charge mode, fast charge mode and constant voltage mode. The input voltage range of the VIN pin can be as high as 28V. When the input voltage exceeds the OVP threshold, it will turn off the charging MOSFET to avoid overheating of the chip. In RT9536H, the maximum charging current can be programmed with an external resistor. For USB application, the user can set the current to 100mA/500mA through the EN/SET pin. For the factory mode, the RT9536H can allow 4.25V or 4.4V/2.3A power pass through to support system operation. It also provides a 50mA LDO to support the power of peripheral circuit. The internal thermal feedback circuit regulates the die temperature to optimize the charge rate for all ambient temperatures. The RT9536H provides protection functions such as under voltage protection, over voltage protection for VIN supply and thermal protection for battery temperature. The RT9536H is available in a WDFN-10L 3x2 package to achieve optimized solution for PCB space and thermal considerations. Product Feature           28V Maximum Rating for DC Adapter Internal Integrated Power MOSFETs  Support 4.25V or 4.4V/2.3A Factory Mode 50mA Low Dropout Voltage Regulator Status Pin Indicator Programmer Charging Current Under Voltage Lockout Over Voltage Protection Thermal Feedback Optimized Charge Rate RoHS Compliant and Halogen Free Key Performance Summary Table Key Features Evaluation Board Number : PCB053_V1 Default Input Voltage 5V Max Output Current 1.2A Default Output Voltage 4.25V Default Marking & Package Type RT9536HGQW, WDFN-10L 3x2 EVB_RT9536HGQW-00 January 2016 2 http://www.richtek.com RT9536HGQW Evaluation Board your power partner. Bench Test Setup Conditions Headers Description and Placement Please carefully inspect the EVB IC and external components, comparing them to the following Bill of Materials, to ensure that all components are installed and undamaged. If any components are missing or damaged during transportation, please contact the distributor or send e-mail to evb_service@richtek.com. Test Points The EVB is provided with the test points and pin names listed in the table below. Test point/ Pin name VIN Input voltage Power input. Support 4.75V to 5.5V Input Voltage. GND Ground Ground. LDO LDO output LDO Output (4.9V). This pin provides 50mA output current. CHGSB Indicator Output for Charging Status The CHGSB pin indicate the charger status. During the charging process, the CHGSB pin is pulled low. When the charger is under charge done condition or abnormal condition, the CHGSB will be high impedance. PGB Indicator Status The PGB pin indicates the input power status at VIN pin. When the input power is normal, the PGB pin is pulled low. BATT Batttery Charge Current Output Charger output for battery. ENB Enable Control Input Enable and Operation Mode and VOUT Regulation Voltage Setting. Signal EVB_RT9536HGQW-00 Output January 2016 Comment (expected waveforms or voltage levels on test points) for Power 3 http://www.richtek.com RT9536HGQW Evaluation Board your power partner. Power-up & Measurement Procedure 1. Connect input power (4.75V < VIN < 5.5V) to VIN test pin. 2. Connect one cell li-ion battery positive and negative terminals to BATT and GND test pin. 3. Pull low to ENB test pin. 4. Verify the LED1 and LED2 whether to light and get charger status. 5. Measure output voltage (approximately 0~4.25V) between BATT and GND. Specification Parameter Battery Voltage Regulation Symbol (CV = 4.25V) (CV = 4.4V) VREG (ISET Mode) VIN Charge Setting Range (USB100) ICHG (USB500) Over Voltage Protection EVB_RT9536HGQW-00 January 2016 VOVP 4 Min Typ Max Units 4.186 4.25 4.313 4.356 4.4 4.444 0.9 1 1.1 A 90 95 100 mA 380 395 410 mA 6.7 6.9 7.1 V V http://www.richtek.com RT9536HGQW Evaluation Board your power partner. Schematic, Bill of Materials & Board Layout EVB Schematic Diagram Bill of Materials Reference Qty Part Number Description Package Manufacture U1 1 RT9536HGQW Battery Charge IC WDFN-10L 3x2 RICHTEK C2, C3, C6 3 C0603X5R1E225DT 1µF/25V/X5R 0603 TDK LED1, LED2 2 DIP LED LED_Red DIP R10, R11 2 RC0603FR 300Ω/0603 0603 VR1, VR2 2 5kΩ (可變電阻) C1, C4, C5, C7 4 NC 0603 R9, R12, R13, R14 4 NC 0603 D1, M1 2 NC EVB_RT9536HGQW-00 January 2016 5 YAGEO http://www.richtek.com RT9536HGQW Evaluation Board your power partner. PCB Layout Top View Bottom View EVB_RT9536HGQW-00 January 2016 6 http://www.richtek.com RT9536HGQW Evaluation Board your power partner. More Information For more information, please find the related datasheet or application notes from Richtek website http://www.richtek.com. Important Notice for Richtek Evaluation Board THIS DOCUMENT IS FOR REFERENCE ONLY, NOTHING CONTAINED IN THIS DOCUMENT SHALL BE CONSTRUED AS RICHTEK’S WARRANTY, EXPRESS OR IMPLIED, UNDER CONTRACT, TORT OR STATUTORY, WITH RESPECT TO THE PRESENTATION HEREIN. IN NO EVENT SHALL RICHTEK BE LIABLE TO BUYER OR USER FOR ANY AND ALL DAMAGES INCLUDING WITHOUT LIMITATION TO DIRECT, INDIRECT, SPECIAL, PUNITIVE OR CONSEQUENTIAL DAMAGES. EVB_RT9536HGQW-00 January 2016 7 http://www.richtek.com
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