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Details, datasheet, quote on part number:EV2012
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| Part: | EV2012 |
| Category: | Others |
| Description: | Gas Gauge With 1-WIRE (DQ) Interface, 5 Led Drivers And Slow Charge Control |
| Company: | Texas Instruments, Inc. |
| Datasheet: | Download EV2012 datasheet File size : 65 kB |
| Request For quote: | Find where to buy EV2012
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Datasheet text preview:
Product Brief
EV2012
bq2012 Evaluation System
Features
® bq2012 Gas Gauge IC evaluation and development system ® PC interface hardware for easy access to state-of-charge information via the serial port ® Alternative terminal block for direct connection to the serial port ® Battery state-of-charge monitoring for 5- to 10-cell (series) applications (2 user-selectable options for 3, 4, or greater than 10 cells) ® On-board regulator for greater than 4-cell applications ® State-of-charge information displayed on bank of 6 LEDs ® Nominal capacity jumper-configurable ® Cell chemistry jumper-configurable ® Display mode jumper-configurable
General Description
The EV2012 Evaluation System provides a development and evaluation environment for the bq2012 Gas Gauge IC. The EV2012 incorporates a bq2012, a sense resistor, and all other hardware necessary to provide a capacity monitoring function for 3 to 12 series NiCd or NiMH cells. Hardware for a PC interface is included on the EV2012 so that easy access to the state-of-charge information can be achieved via the serial port of the bq2012. Direct connection to the serial port of the bq2012 is also m a d e av a i l a b l e f o r ch e ck - o u t o f t h e f i n a l h a r d wa r e / s o f t wa r e i m p l e m e n t a t i o n .
The menu-driven software provided with the EV2012 displays charge/discharge activity and allows user interface to the bq2012 from any standard DOS PC. A full data sheet for this product is available on our web site (http://www.benchmarq.com), or you may contact the factory for one.
Oct. 1997
Rev. C Board
1
EV2012 Product Brief EV2012 Board Schematic
J4 1 2 3 4 I/O
DISP EMPTY CHG
VCC
SR1 220K JP10
1 2 3
SR1 220K JP11
1 2 3
SR1 220K JP12
1 2 3
SR1 220K JP13
1 2 3
SR1 220K JP14
1 2 3
SR1 220K JP15
1 2 3
PG1 220K SR2
PG2 220K SR2
PG3 220K SR2
PG4 220K SR2
PG5 220K SR2
PG6 220K SR2 JP16
1 2 1 2 3 4 5 6 7 8
VCC
C6
0.1 LCOM U2
R30 470 R31 470 R32 470
D7 SEG1 D8 D9 SEG3 D10 D11 SEG5 D12 SEG6 SEG4 SEG2
LCOM VCC SEG1 REF SEG2 CHG SEG3 DQ SEG4 EMPTY SEG5 SB SEG6 DISP VSS SR
16 15 14 13 12 11 10 9
REF DQ SB VCC
BQ2012 R13 15M
R21 100K R15 C5 100K R16 0.1 3W
C4
S1
DISCHARGE
0.1
J2
RETBAT-
1 2
0.1
EV2012, Rev C, 8-9-96, 1 of 2
Rev. C Board
Oct. 1997
2
Product Brief EV2012
EV2012 Board Schematic (Continued)
B VCC
3 2 1
Q1 2N7000
BAT+ 5 R4 200K 6 R5 249K 7 R6 301K 8 R7 348K 9 R8 402K 10 R9 453K 11 R10 499K 12 R11 549K
R17 L 300K D13 R14 100
LBAT+
J1 1 2
JP9 B+ SEL
1N752A JP8 REF SB C3 0.1 R12 49.9K U1 + DQ J5 1 2 DQ D6 1N751A R22 100 Q2 2N7000 D3 1N4148 + 1N4148 D4 0.1 D2 1N4148 D5 1N4148 U1 LM358N C2 R1 20K R3 100K R2 100K 0.1
9 8 7 6 5 4 3 2 1
BAT DIV
LM358N
D1 1N4148 C1
P1 I/O
EV2012, Rev A, 8-9-96, 2 of 2
Oct. 1997
Rev. C Board
3
Notes
4
IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK. In order to minimize risks associated with the customer's applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI's publication of information regarding any third party's products or services does not constitute TI's approval, warranty or endorsement thereof.
Copyright © 1999, Texas Instruments Incorporated
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