MAX14637EVB+ Analog Devices

Click here for production status of specific part numbers. MAX14636/MAX14637 Evaluates: MAX14636/MAX14637 Evaluation Kit General Description Quick Start The MAX14636/MAX14637 evaluation kit (EV kit) is a Required Equipment fully assembled and tested circuit board that demon- MAX14636/MAX14637 EV kit strates the MAX14636/MAX14637 charger detectors. Computer The EV kit features a USB-powered option and easy LED reading for logic outputs. USB-A male to USB-B male cable USB-A male to micro-B USB male cable Features USB flash drive (optional) Evaluates Charger Detection Function Procedure No External Power Supply Required The EV kit is fully assembled and tested. Follow these Proven PCB Layout steps to verify board operation. Independent Layouts for MAX14636 and MAX14637 1) Verify that all jumpers are in their default positions. Separate Layout with No MAX14636/MAX14637 2) Take USB-A male to USB-B male cable and connect for Verifying Insertion Loss the cable to J3 from a computer. Fully Assembled and Tested 3) Install a shunt on JP5. Verify LED4 is on. 4) Install a shunt on JP4. Verify LED5 is on. 5) Take USB-A male to micro-B USB male cable and Ordering Information appears at end of data sheet. connect the cable to J2 from a computer. Verify LED1 and LED3 are on. 6) Optional: insert the USB flash drive in J1. Check that the drive is accessible from computer. The drive should enumerate and register in Windows. 7) Remove the USB flash drive and cable on J2. Remove the shunts on JP4 and JP5. 8) Install a shunt on JP15. Verify LED14 is on. 9) Install a shunt on JP14. Verify LED15 is on. 10) Connect the micro-B USB cable to J5 from a computer. Verify LED11 and LED13 are on. 11) Optional: insert the USB flash drive in J4. Check that the drive is accessible from computer. The drive should enumerate and register in Windows. 12) Remove USB flash drive and cable on J5. Remove the shunts on JP14 and JP15. 19-6801 Rev 1 7/19MAX14636/MAX14637 Evaluates: MAX14636/MAX14637 Evaluation Kit Logic Power Detailed Description of Hardware Use JP2, JP5, JP12, and JP15 to select power source for The MAX14636/MAX14637 EV kit is a fully assembled logic pins. They can be powered from the USB or external and tested circuit board demonstrating the MAX14636 power supply. and MAX14637 charger detector ICs in a 10-pin surface- mount Ultra TQFN package. VBUS The EV kit circuit can be configured to evaluate the Use JP3 and JP13 to connect the VBUS pin to the VBUS MAX14636 or the MAX14637 without an external power of the micro-USB connector. supply. There are LED indicators showing different logic outputs with different chargers attached. The EV kit also GOOD BAT features a shorted USB path for board- and trace-only Use JP4 and JP14 to connect GOOD BAT to 3.3V or evaluation. ground. LED5 or LED15 is on when GOOD BAT is set high. USB Transceiver Power The EV kit features jumpers to select the power source for the USB transceiver side. Install shunts in below position to change the power source. Table 1. LED Indicator LED NAME DESCRIPTION MAX14636 LED1 SW OPEN LED1 is on when MAX14636 SW OPEN = low (switches are closed). LED2 CHG DET LED2 is on when MAX14636 CHG DET = high. LED3 CHG AL N LED3 is on when MAX14636 CHG AL N = low (VBUS is valid and charging is allowed). LED4 VHC GOOD LED4 is on when VHC1 is powered. LED5 GOOD BAT LED5 is on when MAX14636 GOOD BAT is set to high. MAX14637 LED11 SW OPEN LED11 is on when MAX14637 SW OPEN = low (switches are closed). LED12 CHG DET LED12 is on when MAX14637 CHG DET = high. LED13 CHG AL N LED13 is on when MAX14637 CHG AL N = low (VBUS is valid and charging is allowed). LED14 VHC GOOD LED14 is on when VHC2 is powered. LED15 GOOD BAT LED15 is on when MAX14637 GOOD BAT is set to high. Table 2. USB Transceiver Jumper Selection JUMPER SHUNT POSITION DESCRIPTION MAX14636 1-2* J1 VBUS is connected to J2 VBUS JP1 2-3 J1 VBUS is connected to J3 VBUS MAX14637 1-2* J4 VBUS is connected to J5 VBUS JP11 2-3 J4 VBUS is connected to J3 VBUS *Default position. Maxim Integrated 2 www.maximintegrated.com