Fremont Micro Devices FT83xx Preliminary Primary-Side-Control CC/CV Controller FEATURES DESCRIPTION Constant-Current (CC) and Constant-Voltage The FT83xx controller device is optimized for (CV) Control with Primary Side Control high-performance, low power switching mode power ¾ Eliminates Opto-Coupler and TL431 supply applications. The FT83xx facilitates CC/CV ¾ External Power NPN Transistor for Low Cost charger design by eliminating an opto-coupler and ¾ Adjustable Base Driver Improve System EMI TL431. Its highly integrated functions such as Under (FT831B/2B/2C) Voltage Lockout (UVLO), Leading Edge Blanking Adjustable Cable compensation for all Loading (LEB), external adjustable base driver and cable (FT831A/2A/2C) compensation offer the users a high efficiency and ¾ Built-in Line Compensation low cost solution for AC/DC power applications. ¾ Charger Status Indicator in Primary Side ¾ ¾ 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em (FT832A/2B) Furthermore, FT83xx features fruitful protections like ¾ Cycle-by-Cycle Current Limiting OTP (Over Temperature Protection), OVP (Over ¾ Over Voltage Protection (OVP) Voltage Protection), and Open Circuit Protection, ¾ Over Temperature Protection (OTP) Short Circuit Protection to eliminate the external ¾ Open Circuit Protection protection circuits and provide reliable operation. ¾ Short Circuit Protection FT83xx is available in SOT23-5, SOT23-6 and SOP8 ¾ Pb-Free Device packages. TYPICAL APPLICATION Part # ¾ Adapter/Charger for Cell/Cordless Phones, PDAs, MP3 and Other Portable Apparatus ¾ Standby and Auxiliary Power Supplies Set Top Boxes (STB) Cable Compensation Driving Capability Charging Status LED driver FT830A Default Default X FT831A Programmable Default X FT831B Default Programmable X FT832A Programmable Default √ FT832B Default Programmable √ FT832C Programmable Programmable X Table1: FT83xx Series Fremont Micro Devices FT83xx Preliminary TYPICAL APPLICATION CIRCUIT 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em Figure 1: Typical Application Circuit Fremont Micro Devices FT83xx Preliminary ABSOLUTE MAXIMUM RATINGS FB to GND………………………………...…………………………………….…….……….….... -0.3V to +9V CS to GND…………………………………………...……………………………………….…….....-0.3V to +9V VCC to GND…………………………………..………….…………………………………………-0.3V to +18V OUT to GND…………………………………...…………………………….……….…………......-0.3V to +9V LED_R to GND……..……………………………………………………….……….…………......-0.3V to +18V LED_G to GND…………..………………………………………………….……………….…......-0.3V to +18V CABLE to GND……………………………………………………………….………….………......-0.3V to +9V 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em ADJ to GND………………………………………..……………………….……………….…….....-0.3V to +9V Operating Temperature Range……………………...……………………………………………...-40℃ to +125℃ Junction Temperature………………………………..………………………………………….... -40℃ to +150℃ Storage Temperature Range ……………………………..…………………………………….….-60℃ to +150℃ ESD Protection HBM……………….....…………………………………………………………………….2000V MM…………………..……………………………………………………………………...500V Stresses 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 stresses above the Recommended Operating Conditions may affect device reliability. Fremont Micro Devices FT83xx Preliminary PIN CONFIGURATION 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em Figure 2: Pin Assignments Pat NO. Pin Package 1 2 Definition 3 4 5 6 7 8 FT830A SOT23-5 CS FB GND OUT VCC FT831A SOT23-6 CS FB GND OUT VCC CABLE FT831B SOT23-6 CS FB GND OUT VCC ADJ FT832A SOP8 LED_G LED_R VCC OUT GND FB CS CABLE FT832B SOP8 LED_G LED_R VCC OUT GND FB CS ADJ FT832C SOP8 ADJ NC VCC OUT GND FB CS CABLE Table 2: Pin Definition TERMINAL DEFINITION Pin GND FB CS VCC OUT Description Ground. Output voltage feedback pin Primary current sense Supply voltage NPN switch base driver LED_R Connect to red LED for indicating charging state LED_G Connect to green LED for indicating charge completed state CABLE Adjust cable compensation by an external resistor and capacitor to GND ADJ Adjust base driver current by an external resistor to GND Table 3 Fremont Micro Devices FT83xx Preliminary ORDERING INFORMATION Product Ordering Information FT830A FT830A FT831A FT831A FT831B FT831B FT832A FT832A FT832B FT832B FT832C FT832C 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em Table 4 MARKING RULE Figure 3: Marking Rule SOT23-5/6: ①: Represents Version (A or B) ②: Represents package (a: SOT23-5; b: SOT23-6) ③④: for internal reference SOP8: ①: Represents Version (A, B or C) ②③④⑤: for internal reference Fremont Micro Devices FT83xx Preliminary PACKAGE INFORMATION SOT23-5 Package 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.050 1.250 0.041 0.049 A1 0.000 0.100 0.000 0.004 A2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 D 2.820 3.020 0.111 0.119 E 1.500 1.700 0.059 0.067 E1 2.650 2.950 0.104 0.116 e 0.95 (BSC) 0.037 (BSC) e1 1.800 2.000 0.071 0.079 L 0.300 0.600 0.012 0.024 θ 0° 8° 0° 6° Fremont Micro Devices FT83xx Preliminary SOT23-6 Package 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.050 1.250 0.041 0.049 A1 0.000 0.100 0.000 0.004 A2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 D 2.820 3.020 0.111 0.119 E 1.500 1.700 0.059 0.067 E1 2.650 2.950 0.104 0.116 e 0.950 (BSC) 0.037（BSC） e1 1.800 2.000 0.079 L 0.300 0.600 0.024 θ 0° 8° 0° 8° Fremont Micro Devices FT83xx Preliminary SOP8 Package 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.350 1.750 0.053 0.069 A1 0.100 0.250 0.004 0.010 A2 1.350 1.550 0.053 0.061 b 0.330 0.510 0.013 0.020 c 0.170 0.250 0.006 0.010 D 4.700 5.100 0.185 0.200 E 3.800 4.000 0.150 0.157 E1 5.800 6.200 0.228 0.244 1.270 (BSC) e 0.050（BSC） L 0.400 1.270 0.016 0.050 θ 0° 8° 0° 8° Fremont Micro Devices FT83xx Preliminary APPENDIX A：REVISION HISTORY Version A0: Original data sheet for the FT83xx Series. 司 公 限 884 有 71 技 07 科 32 01 .com 锦 18 03 78 3 15 鹏 0 0 12 市 7 圳 颖 ：6 j25 深 p Q 何 Q ng@ o r :p l i a Em * Information furnished is believed to be accurate and reliable. However, Fremont Micro Devices, Incorporated (BVI) assumes no responsibility for the consequences of use of such information or for any infringement of patents of other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent rights of Fremont Micro Devices, Incorporated (BVI). Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. Fremont Micro Devices, Incorporated (BVI) products are not authorized for use as critical components in life support devices or systems without express written approval of Fremont Micro Devices, Incorporated (BVI). The FMD logo is a registered trademark of Fremont Micro Devices, Incorporated (BVI). All other names are the property of their respective owners.