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Transcript
LD8200S 09/29/2016 USB Type-C Current Advertisement Controller REV. 01 General Description Features The LD8200S provides an uncomplicated solution USB type-C Downstream facing port(DFP) for USB type-C DFP host Current advertisement. It is Support up to 3A/1.5A of current Advertisement advertised VBUS current mode as default, medium or Low Quiescent Current high depending on the ISEL pin resistor setting and used VCC Operation Range : 3.5V~20V the USB type-C ports with the configuration channel (CC1 External Blocking MOSFET Control SOT-26 Package and CC2) to notice Type-C UFP device. Then the device control external blocking MOSFET to determine a successful attach of UFP device. Applications The LD8200S operates over a wide supply range Mobile Phone Type-C Adaptor and has low power consumption. It is available in the USB Type-C Charger SOT-26 package to minimize the PCB size as well as component count and cost. Typical Application Cable VBUS GND PSR Controller (Latch/Auto) VCC GND P_CTL CC1 Rd 5.1K CC2 ISEL CC2 LD8200S 1 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 CC1 www.leadtrend.com.tw LD8200S 09/29/2016 Pin Configuration SOT-26 (TOP VIEW) ISEL CC2 CC1 6 5 4 00S YWW PP 1 2 3 P_CTL GND YY, Y : Year code (D: 2004, E: 2005…..) WW, W : Week code PP : Production code W00S : LD8200S VCC Ordering Information Part number Package Top Mark Shipping LD8200S GL SOT-26 YWW/00S 3000 /tape & reel The LD8200S is ROHS compliant/Green Packaged. Pin Descriptions Pin NAME 1 P_CTL 2 GND Ground 3 VCC Positive power supply 4 CC1 Type-C configuration channel signal 1 5 CC2 Type-C configuration channel signal 2 FUNCTION Blocking MOS Control VBUS Current mode selector 6 ISEL L - Default Current. Pull-down to GND. M - Medium (1.5A) current. Pull-down to GND with 150-kΩ resistor. H - High (3.0A) current . leave unconnected. 2 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw LD8200S 09/29/2016 Block Diagram VCC internal bias & Vref PG All Block Vbias P_CTL ICC Blocking MOS Control CC1 CG ICC CC2 CG ICC Selector ISEL GND 3 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw Connection Detect LD8200S 09/29/2016 Absolute Maximum Ratings VCC -0.3V ~ 23V CC1,CC2,P_CTL -0.3V ~ VCC-0.3V ISEL -0.3V ~ 6V Maximum Junction Temperature 150C Storage Temperature Range -65C ~ 150C Package Thermal Resistance (SOT-26, JA) 200C/W o Power Dissipation (SOT-26, Tj=125 C, Ta=85C) 200mW Lead temperature (Soldering, 10sec) 260C ESD Voltage Protection, Human Body Model (CC1,CC2) 4.0KV ESD Voltage Protection, Machine Model (CC1,CC2) 400V ESD Voltage Protection, Human Body Model (Others) 2.5KV ESD Voltage Protection, Machine Model (Others) 250V Caution: Stress exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stress above Recommended Operating Conditions may affect device reliability. Recommended Operating Conditions Item Min. Max. Unit VCC Operation Range 3.5 20 V Operating Junction Temperature -40 125 C CC pin Capacitor -470 Note: 1. It’s suggest to connect VCC pin with a SMD ceramic capacitor (0.47F~4.7F) to filter out the undesired switching noise for stable operation. This capacitor should be placed close to IC pin as possible 2. It’s essential to connect VCC pin with a SMD ceramic capacitor and TVS to prevent the ESD destroy. 3. The small signal components should be placed close to IC pin as possible. 4 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw pF LD8200S 09/29/2016 Electrical Characteristics (VCC=5 V, TA = 25C unless otherwise specified.) PARAMETER CONDITIONS Symbol MIN TYP MAX UNITS ICC_L 64 80 96 A ICC_M 166 180 194 A ICC_H 304 330 356 A CC1 and CC2 Pins Configuration Channel Current ISEL=GND VCC=5V ISEL connect 150kΩ to GND VCC=5V ISEL Floating ;VCC=5V Configuration Channel 150 TCCDB attached debounce time Configuration Channel ISEL=GND attached Low level Threshold VCC=5V mS VCC_TLL 0.15 0.2 0.25 V VCC_TLM 0.35 0.4 0.45 V VCC_TLH 0.75 0.8 0.85 V VCC_THL 1.51 1.6 1.64 V VCC_THM 1.51 1.6 1.64 V VCC_THH 2.46 2.6 2.74 V ISEL connect 150kΩ to GND VCC=5V ISEL Floating ;VCC=5V Configuration Channel attached High level Threshold ISEL=GND VCC=5V ISEL connect 150kΩ to GND VCC=5V ISEL Floating ;VCC=5V 5 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw LD8200S 09/29/2016 PARAMETER CONDITIONS Symbol MIN TYP MAX UNITS Current mode Selector (ISEL Pin) ISEL Charger Current ISEL 10 RCTL_L 5 A Block MOS Control (P_CTL Pin) P_CTL Pull Low Resistor P_CTL High Voltage (*) P_CTL leakage current IOH=10mA VCTL_OH 10 VCC- KΩ V 0.3V (*) ICTL_LK Supply Voltage (VCC Pin) Operation Current CC1/CC2 unattached 10 A ICC 200 A ICC_H 500 A ISEL connect 100kΩ ; Device CC1 attached 5.1kΩ UVLO(OFF) VUV_OFF UVLO(ON) VUV_ON Note: (*) Guaranteed by Design. 6 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw 2.7 V 3.5 V LD8200S 09/29/2016 Typical Performance Characteristics 4.00 3.50 3.25 3.50 VUV_OFF (V) VUV_ON (V) 3.75 3.25 3.00 3.00 2.75 2.50 2.75 -40 0 40 80 2.25 120 -40 0 40 Temperature(℃) 80 120 Temperature(℃) Fig. 1 VUV_ON vs. Temperature Fig. 2 VUV_OFF vs. Temperature 0.93 2.75 0.88 2.70 VCC_THH (V) VCC_TLH (V) 2.65 0.83 0.78 0.73 2.60 2.55 2.50 0.68 2.45 -40 0 40 Temperature(℃) 80 120 -40 40 80 120 Temperature(℃) Fig. 3 VCC_TLH vs. Temperature Fig. 4 VCC_THH vs. Temperature 1.70 0.50 1.65 0.45 1.60 0.40 VCC_TLM (V) VCC_THM (V) 0 1.55 1.50 0.35 0.30 1.45 0.25 -40 0 40 80 120 -40 Temperature(℃) 80 Fig. 6 VCC_TLM vs. Temperature 7 LD8200S-DS-01 September 2016 40 Temperature(℃) Fig. 5 VCC_THM vs. Temperature Leadtrend Technology Corporation 0 www.leadtrend.com.tw 120 LD8200S 0.30 11.00 0.25 10.50 0.20 10.00 ISEL (uA) VCC_TLL (V) 09/29/2016 0.15 9.50 9.00 0.10 8.50 0.05 -40 0 40 80 -40 120 8 LD8200S-DS-01 September 2016 40 80 Fig. 8 ISEL vs. Temperature Fig. 7 VCC_TLL vs. Temperature Leadtrend Technology Corporation 0 Temperature(℃) Temperature(℃) www.leadtrend.com.tw 120 LD8200S 09/29/2016 Application Information Basic Description The LD8200S is a current advertisement and blocking floating, the power source can provide the 3A current MOSFET controller for USB Type-C adapter or Charger. capability and the CC pin output current is 330uA. If the The Function includes Type-C cable detector, the power source maximum current is 1.5A, the ISEL pin current level advertisement and over voltage protection. must connect a 150KΩ resistor to the GND. The CC pin will output 180uA. The device operates under a wide input voltage range Blocking P-MOSFET Controller from 3.5V to 20V. The SOT-26 package minimizes the PCB size as well as component counts and cost When a type-C cable connection has been completed, Current advertisement Selection the P_CTL will pull low after 150mS. Then the blocking P-MOSFET will turn on. When the cable is unattached, When the VCC pin voltage rises over UVLO(ON). The the P_CTL will pull high straightway. The blocking device will detect the resistor of ISEL pin and the IC P-MOSFET will turn off shortly as well. selects output current of configuration channel to Internal Thermal protection advertise the USB type-C adaptor or charger current level to UFP (Upstream Facing Port). The following table When is the Current level advertisement lookup table: the junction temperature reaches 140C approximately, the thermal sensor signals will turn off RISEL (Ω ) Advertisement Current Level CC Curent (uA) External Blocking P-MOSFET. The VBUS output voltage GND 150K Floating Default ; 500 mA or 900mA Medium - 1.5 A High - 3 A 80 180 330 and current are cut off to UFP under the IC’s junction temperature cools by 20C. If the ISEL pin is short to the GND, it means the USB adapter or charger current level is used as USB 2.0 or USB 3.1 default power. Its maximum current is 500mA or 900mA and the CC pin will output 80uA current to detect the UFP connection. When the ISEL pin is 9 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw LD8200S 09/29/2016 ESD Stress Improve Level and Interference The USB adapter or charger for ESD high levels test is recommended to connect diodes or TVS and RC filter to the CC pin. It strengthens ESD stress level and avoids noise interference as below figure: VBUS_IN LD8200S CC CCX GND It is suggested to connect the RC filter to filter out the ESD pulse interference at VCC pin for stable operation. VBUS_IN VBUS P_CTL VCC LD8200S GND 10 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw LD8200S 09/29/2016 Package Information SOT-26 Dimension in Millimeters Dimensions in Inches Symbol Min Max Min Max A 2.692 3.099 0.106 0.122 B 1.397 1.803 0.055 0.071 C ------- 1.450 ------- 0.057 D 0.300 0.500 0.012 0.020 F 0.95 TYP 0.037 TYP H 0.080 0.254 0.003 0.010 I 0.050 0.150 0.002 0.006 J 2.600 3.000 0.102 0.118 M 0.300 0.600 0.012 0.024 Θ 0° 10° 0° 10° Important Notice Leadtrend Technology Corp. reserves the right to make changes or corrections to its products at any time without notice. Customers should verify the datasheets are current and complete before placing order 11 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw LD8200S 09/29/2016 Revision History REV. Date Change Notice 00 06/27/2016 Original Specification. 01 09/29/2016 1. Update ICC Current 12 Leadtrend Technology Corporation LD8200S-DS-01 September 2016 www.leadtrend.com.tw