BIAS Power Supply Module BPWX 4 Series Data Sheet Single (Vo) or Dual (Vo & Vr) output BPWX 4-08-00, -08-33, -08-50 BPWX 4-14-00, -14-33, -14-50 BPWX 4-24-00 Features The BPWX 4 Power Supply Module is an ideal solution for numer- Universal Input (85-308 VAC, 50/60Hz) ous control applications in lighting, sensing, smart building and o Extended temperature range (-40 to 85 C) power distribution where operation from 277VAC mains and ex- 3 3 Small Size1.94 in 31.8 cm tended temperature operation is required. This low-cost supply Low no-load input power <30mW provides up to four watts of output power at 8, 14 and 24 VDC Constant power mode, not current limit (Vo) and optional 3.3 and 5.0 VDC (Vr) output for microprocessors, 3000 VAC Isolation logic, timing circuits, transceivers, sensors or other control func- Up to 75% efficiency tions. Incorporating a custom integrated circuit into a small pack- EN 55022, Class B FCC Part 15, Class B 3 3 age (1.94 in 31.8 cm ) the BIAS Module provides an immediate Meets UL/CSA and EN Product Safety (ITE) Bias Power AC/DC power supplies are designed to be Operating Specifications applied in two major categories of applications ( 120VAC / 60 Hz / 25C unless otherwise specified) Auxiliary, where the Bias supply is one of two or more sup- Electrical plies and provides power for standby, housekeeping, bias- Input Voltage Range 85 - 308 VAC (50/60Hz) ing or other requirements. Generally, these supply 3.3V or 5.0V requirements from the Vr output. In some cases a Input Surge Withstand 345V, < 30 sec small amount of Vo power is used. 4 W min. (60Hz) Output Power (Pmax) Second is as a main or utility supply where Bias is the only 3.33 W min. (50Hz) supply and provides all power necessary for the product or Efficiency 70% system. Both Vr and Vo supplies are often utilized for opti- Output Vo (Peak) 8, 14 or 24 VDC nom. +/- 5% mum system performance. Line / Load Regulation Vo (Peak) +/- 1% Po < Pmax The characteristics of the Vo and Vr outputs are different and each has application-specific benefits which can pro- Temperature Regulation Vo (Peak) +/- 2% Po < Pmax vide high value to the system designer. Ripple Vo ( 120 Hz) 1.75 V p:p ( 100 kHz) 0.25 V p:p Vo is a voltage-regulated output which has a constant For Vo = 8V, Ir out 160mA max, Io+Ir 500mA power mode instead of a conventional current limit. This Output Vr, 3.3 volt (+/- 5%) For Vo = 14V, Ir out 70mA max, Io+Ir 285mA output is best suited to drive mechanical relays, solenoids, For Vo = 24V, Vr not available SSRs, capacitive loads, indicating lights, LEDs and as a For Vo = 8V, Ir out 250mA max, Io+Ir 500mA source for isolated DC utility power which may be used Output Vr, 5.0 volt (+/- 5%) For Vo = 14V, Ir out 83mA max, Io+Ir 285mA directly or post-regulated with either a linear regulator or a For Vo = 24V, Vr not available DC/DC converter. Vo is self protecting, cannot be over- No-load Consumption 30 mW typical Vin=120 VAC loaded and can be shorted indefinitely. The graceful transi- tion from voltage regulation to constant power along with Isolation 3000 VAC (meets UL / CSA & EN Product Safety) the wide range of product ratings, allows the designer to select a supply tightly matched to the design load. There is Earth Leakage 120 VAC < 10 uA no need to oversize a Bias Power supply. Unlike design- Short Circuit Protection Continuous, Pin 0.7 w Vin = 120 VAC your-own, or partially complete modules where significant design margin is required, to stay far away from current Reliability 25 C, MIL HDBK-217F > 500 Khr MTBF limit, Biass constant power alternative requires no such Thermal over-specing. o Operating Temperature -40 to +85 C Vr is also a voltage-regulated output and is thermally pro- Operating Relative Humidity 0 95%, non-condensing tected from overload. It has very low output ripple capable Storage Temperature -40 to +105 C of driving microprocessors , logic, transceivers, sensors and other elements which require a low-noise, tightly-regulated Mechanical supply. In addition, Vr is supplied internally by Vo. This Package Size (L x W x H) 1.90 x 1.31 x 0.78 inches 48.3 x 33.3 x 19.8 mm means that any capacitance added to Vo can increase the hold-up time of Vr as well. Safety nd *Note: maximum currents specified for constant voltage Safety Compliance UL / EN 60950-1 2 Ed. (CB Report Available) range only. See V-I curve on page 2 for Vo in constant EMI Emissions EN 55022, Class B, FCC Part 15, Class B power range. BPWX 4 Series Data Sheet, Page 1 of 3 BIAS Power Revised 02/08/2011 www.biaspower.com Specifications subject to change BIAS Power Supply Module BPWX 4 Series Data Sheet Single (Vo) or Dual (Vo & Vr) output BPWX 4-08-00, -08-33, -08-50 BPWX 4-14-00, -14-33, -14-50 BPWX 4-24-00 No Load Pow er VS Input Voltage V - I, typical 150 12.00 130 10.00 Constant Power Region 110 8.00 90 6.00 70 4.00 50 2.00 30 0.00 10 0 200 400 600 800 1,000 1,200 1,400 1,600 85 110 135 160 185 210 235 260 Io, mA Input Voltage (Vac) EMI, Conducted, dBV EMI, Radiated Signal Strength, typical, dBV/m Output Regulation, Vo 24 22 100% Load 20 50% Load 18 25% Load 16 14 12 10 8 6 0 8.3 16.6 24.9 33.2 41.5 49.8 Time, mSec BPWX 4 Series Data Sheet, Page 2 of 3 BIAS Power Revised 02/08/2011 www.biaspower.com Specifications subject to change Input Power (mW) Vo, volts for 8, 14, 24 Vo, volts