bde0600g 1/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. compact high accuracy temperature sensor ics thermostat output temperature ics with variable detection temperature bde 0g series description low quiescent current (16a), high accuracy thermostat (temperature switch) ics. built in temperature sensor, reference voltage regulator, d/a converter, and compar ator. detecting temperature by itself, os terminal state is changed at logically. open drain output (active l ) is available in bde 0g series. features 1) detection temperature range +55 +115 by 6 products. 2) 5 step selectable detection temperature with ctrl. 3) hysteresis temperature (typically 10 ) 4) high accuracy analog output (typically 3.5 @ta=30) 5) analog output temperature sensitivity (typically -10.8mv/ ) 6) low supply current (typically 16a) 7) small package (typically 2.90mm2.80mm1.25mm) 8) esd rating 8kv (hbm) 9) excellent ripple rejection characteristic applications thermal protection for electrical equipment (notebook pc, ce ll phone, fpd-tv, etc.) fan control for thermal management products line up bde 0 g detection temperature output format package (center temperature) (open drain, active low) (ssop5) 110:110 100:100 090: 90 080: 80 070: 70 060: 60 temperature / output format table ctrl status description ( l : low, o : open, h : high ) product name detection temperature ( ) os output format marking ctrl l h o BDE1100G 105 110 115 open drain active l eb bde1000g 95 100 105 open drain active l ec bde0900g 85 90 95 open drain active l ed bde0800g 75 80 85 open drain active l ee bde0700g 65 70 75 open drain active l ef bde0600g 55 60 65 open drain active l eg no.11047jct03
bde 0g series technical note 2/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. absolute maxi mum ratings ( ta = 25 ) parameters symbol limit unit power supply voltage v dd -0.3 to 7.0 *1 v input voltage ( ctrl ) v in -0.3 to v dd +0.3 v input current ( ctrl ) i in -1.0, +0.1 ma os terminal voltage v os -0.3 to 7.0 v os terminal current i os 5.0 ma power dissipation pd 540 *2 mw storage temperature range t stg -55 to 150 *1. not to exceed pd *2. reduced by 5.40mw for each increase in ta of 1 over 25 ( mounted on 70mm70mm1. 6mm glass-epoxy pcb ) recommended operating condition parameters symbol min. typ. max. unit power supply voltage vdd 2.9 3.0 5.5 v operating temperature range topr -30 - 130 temperature accuracy ( unless otherwise specified, v dd = 3.0v ) parameters symbol limit unit conditions min. typ. max. thermostat ( temperature switch ) detection temperatureaccuracy tacc - 0 4.0 ta = - 2 0 115 detection temperature hyst eresis thys 7.5 10.0 12.5 analog output vtemp temperature accuracy ttemp - - 3.5 ta = 3 0 electrical characteristics ( unless otherwise specified, v dd = 3.0v, ta = 25 ) parameter symbol limits unit conditions min. typ. max. supply current idd - 16.0 20.0 a ctrl = 3.0v analog output vtemp output voltage vtem p 1.716 1.753 1.790 v ta = 30 vtemp temperature sensitivit y vse -10.28 -10.68 -11.08 mv/ ta = -30 to 100 vtemp load regulation S vtemprl - - 1 mv difference of iout : 0a / 2a os output open drain os leakage current il - - 1.0 a os : 5.0v os output voltage vol - - 0.4 v iinos = 1.2ma ctrl input l voltage vil gnd - 0.6 v input h voltage vih 2.4 - vdd v *radiation hardiness is not designed.
bde 0g series technical note 3/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. lot no. product type package outline pin description pin no. pin name function comment 1 ctrl detection temperature setting refer to 2/7 page for the temperature set. ( temperature / output format table ) 2 gnd ground - 3 vtemp output voltage in inverse proportion to the temperature( typ. -10.68mv/ ) set the open state or connect high impedance input node. 4 vdd power supply - 5 os digital thermostat output open drain type use the pull-up resistor over 10k ? . ssop5 (unit: mm)
bde 0g series technical note 4/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. equivalence circuit ctrl os vtemp block diagram please don?t connect the pull-down resistor please connect the pull-up resistor over 10k ? . gnd os vdd gnd ctrl vdd gnd vtemp v temp ctrl gnd os vdd + - 1 2 3 5 4 vref temp sensor iref out
bde 0g series technical note 5/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. functional diagram ( ex. detection temperature 110 ) os output voltage ( vos ) [v] vos temperature hysteresis (10 typical) 110 90 70 50 10 130 -30 30 -10 -50 temperature [ ] 0 analog output voltage ( vtemp ) [v] 1.0 vtemp@30 (1.753v typical) temperature sensitivity (-10.68mv/ typical) 110 90 70 50 10 130 -30 30 -10 -50 temperature [ ] 1.5 2.0 2.5 3.0 0.5
bde 0g series technical note 6/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. reference data 0 5 10 15 20 25 012345678 vdd [v] idd [ua] -200 -175 -150 -125 -100 -75 -50 -25 0 25 012345 itemp [ua] vtemp [mv] 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -80 -40 0 40 80 120 160 temperature [] vtemp [v] 0.0 0.5 1.0 1.5 2.0 2.5 3.0 012345678 vdd [v] vtemp [v] 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 5 10 15 20 25 ios [ma] vos[v] fig1. vtemp voltage vs. temperature (temperature sensitivity) fig2. supply current vs. supply voltage fig3. vtemp voltage vs. supply voltage fig4. vtemp voltage vs. output current fig5. os output voltage vs. load current vdd=3v, ta=25 vdd=3v, ta=25 ta = 2 5 ta = 2 5 vdd=3v
bde 0g series technical note 7/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. notes for use 1) absolute maximum ratings an excess in the absolute maximum ratings, such as supply voltage, temperature range of o perating conditions, etc., can break down devices, thus making impossible to identify breaking mode such as a short circuit or an open circuit. if any special mode exceeding the absolute maximum ratings is assumed, consideration should be given to take physical safety measures including the use of fuses, etc. 2) gnd voltage make setting of the potential of the gnd te rminal so that it will be maintained at the minimum in any operating state. 3) pin short and mistake fitting when mounting the ic on the pcb, pay attention to the orientati on of the ic. if there is a plac ement mistake, the ic may be burned up. 4) operation in strong electric field be noted that using ics in the strong electric field can malfunction them. 5) mutual impedance use short and wide wiring tracks for the power supply and ground to keep the mu tual impedance as small as possible. use a capacitor to keep ripple to a minimum.
bde 0g series technical note 8/8 www.rohm.com 2011.07 - rev.c ? 2011 rohm co., ltd. all rights reserved. ordering part number b d e 0 6 0 0 g - t r part no. part no. 0600 0700 0800 0900 1000 1100 package g: ssop5 packaging and forming specification tr: embossed tape and reel (ssop5) (unit : mm) ssop5 2.90.2 0.13 4 + 6 ?4 1.6 2.80.2 1.10.05 0.050.05 +0.2 ?0.1 +0.05 ?0.03 0.42 +0.05 ?0.04 0.95 5 4 12 3 1.25max. 0.2min. 0.1 direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper right when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs tr () 1pin
r1120 a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specied in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specied herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specied herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.
|
