GSAC-8.507BC BATTERY CHARGER Type Vin Vout Iout GSAC-8.507BC 230 VRMS 8.5 V 700 mA FEATURES Charge of NiCd or NiMH batteries Switch mode constant current generation Three level charging current (fast, trickle, zero charging current) Overcharge detection by - ∆ V and ∆T/∆t under internal microprocessor control No discharge of the battery when charger is turned off Initial trickle charge for deeply discharged batteries Maximum battery voltage protection Maximum battery temperature protection Timer back up protection Output short circuit protection Detection of fault battery Charge status displayed by LED European or UK plug DESCRIPTION The GSAC-8.507BC is a high efficiency battery charger for connection to the mains and to be used with 5 cells NiCd and NiMH batteries. Two versions of the INPUT PLUG ADAPTOR are available: EUROPEAN VERSION : GSAC-8.507BC-1 (ORDERING NUMBER) UK VERSION : GSAC-8.507BC-2 (ORDERING NUMBER) (See pag. 3 for mechanical data) February 1994 1/4 GSAC-8.507BC ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified) Parameter Symbol Test Conditions Typ Max Unit Vin AC Input Voltage Ich = 0 to 0.7A 187 230 264 Vrms Ichf Fast Charge Current Vin = 187 to 264 Vrms Vbattery = 5 to 8.2V 0.65 0.70 0.75 A Icht Trickle Charge Current Vin = 187 to 264 Vrms Vbattery = 1 to 5V or 0°C < Tbatt < 10°C or charge completed 20 30 40 mA 8.2 8.5 C Returned Charge Vin = 187 to 264 Vrms Vbatt Maximum Battery Voltage Protection Vin = 187 to 264 Vrms Ich = 0.7A Tco Battery Temperature Cut Off Vin = 187 to 264 Vrms Ich = 0.0A 50 °C tout Time Out Protection Duration Vin = 187 to 264 Vrms Ich = 0.7A 2 hours fs Switching Frequency Vin = 187 to 264 Vrms Ich = 0.03 to 0.7A 100 kHz Top Operating Ambient Temperature Range -20 +60 °C Tstg Storage Temperature Range -25 +85 °C Status Red ON Green ON Red Flashing Green Flashing OFF 95 % 8.7 V Condition - Fast charge (Ich = 0,7A) - Charge Completed (Ich = 0.03A) - Timer elapsed Anomalous battery conditions (Ich = 0.0A) - Initial Tbattery < 0 °C - Initial Tbattery > 40 °C - Tbattery > 50 °C - Faulty battery (Ich = 0.03A) - Initial charge of deeply discharged batteries - 0 °C < Tbatt < 10 °C Battery not connected NOTES 1 - The battery temperature detection is a function of the characteristics of the NTC resistor used inside the battery pack. Please consult factory. 2 - Different fast charge and trickle charge currents, 2/4 Min and different time out are available on request (Maximum charge current cannot exceed 1A). 3 - For connector to the battery pack please consult factory. GSAC-8.507BC CONNECTION DIAGRAM AND MECHANICAL DATA European Plug Version 36 (1.42) 92 (3.62) 2 (0.07) 3 (0.12) 77 (3.03) 20 (0.79) 15 (0.59) Bicolor LED 5 (0.20) 18 (0.71) 52.5 (2.07) 6 (0.24) 90 (3.54) 1 (0.04) 8.5 (0.33) 8 (0.31) 18.5 (0.73) 4 (0.16) 7 (0.28) 3 Wires: 8.8 (0.35) 18.5 (0.73) 4 (0.16) + Vout RED - Vout BLACK NTC Green 34 (1.34) 13.5 (0.53) Total cable length = 2000 (78.8) UK Plug Version 36 (1.42) 92 (3.62) 2 (0.07) 3 (0.12) 77 (3.03) 20 (0.79) 15 (0.59) Bicolor LED 5 (0.20) 18 (0.71) 52.5 (2.07) 6 (0.24) 87 (3.43) 1 (0.04) 8.5 (0.33) 22.2 (0.87) 11.5 (0.45) 18 (0.71) 8 (0.31) 22.5 (0.86) 4 (0.16) European View 6.35 (0.25) 8 (0.31) 4 (0.16) 50 (1.97) 9.8 (0.39) 22.2 (0.87) 14 (0.55) Output connector to be defined according to customer specifications Dimensions in mm (inches). 3/4 GSAC-8.507BC Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. © 1994 SGS-THOMSON Microelectronics – All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 4/4