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參數(shù)資料
| 型號(hào)： | bq2060 |
| 廠商： | Benchmark Technology Group |
| 英文描述： | SBS v1.1-Compliant Gas Gauge IC(Gas Gauge芯片) |
| 中文描述： | 銀紫荊星章1.1版兼容的氣體計(jì)IC（電量監(jiān)測(cè)計(jì)芯片） |
| 文件頁數(shù)： | 1/45頁 |
| 文件大小： | 457K |
| 代理商： | BQ2060 |
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Features
Provides accurate measurement
of available charge in NiCd,
NiMH, Li-Ion, and lead-acid
batteries
Supports SBS Smart Battery
Data Specification v1.1
Supports the 2-wire SMBus v1.1
interface with PEC or 1-wire
HDQ16
Reports individual cell voltages
Monitors and provides control to
charge and discharge FETs in
Li-Ion protection circuit
Provides 15-bit resolution for
voltage, temperature, and
current measurements
Measures charge flow using a V-
to-F converter with offset of less
than 20
μ
V after calibration
Consumes less than 0.5mW oper-
ating
Drives a 4- or 5-segment LED
display for remaining capacity
indication
28-pin 150-mil SSOP
Pin Connections
General Description
T he bq2060 SBS-Compliant Gas
Gauge IC for battery pack or in-
system installation maintains an ac-
curate record of available charge in
rechargeable batteries. The bq2060
monitors capacity and other critical
battery parameters for NiCd, NiMH,
Li-Ion, and lead-acid chemistries.
The bq2060 uses a V-to-F converter
with automatic offset error correction
for charge and discharge counting.
For voltage, temperature, and current
reporting, the bq2060 uses an A-to-D
converter.
The onboard ADC also
monitors individual cell voltages in a
Li-Ion battery pack and allows the
bq2060 to generate control signals
that may be used in conjunction with
a pack supervisor to enhance pack
safety.
The bq2060 supports the smart bat-
tery data (SBData) commands and
charge-control functions. It communi-
cates data using the system manage-
ment bus (SMBus) 2-wire protocol or
the Benchmarq 1-wire HDQ16 proto-
col. The data available include the
battery’s remaining capacity, temper-
ature, voltage, current, and remain-
ing run-time predictions. The bq2060
Pin Names
provides
push-button input to depict remaining
battery capacity from full to empty in
20% or 25% increments with a 4 or
5-segment display.
L E D
drivers
and
a
The bq2060 works with an external
EEPROM. The EEPROM stores the
configuration information for the
bq2060, such as the battery’s chemis-
try, self-discharge rate, rate compen-
sation factors, measurement calibra-
tion, and design voltage and capacity.
The bq2060 uses the programmable
self-discharge rate and other compen-
sation factors stored in the EEPROM
to accurately adjust remaining capac-
ity for use and standby conditions
based on time, rate, and temperature.
The bq2060 also automatically cali-
brates or learns the true battery ca-
pacity in the course of a discharge cy-
cle from a programmable level of full
toempty.
The REG output regulates the operat-
ing voltage for the bq2060 from the
battery cell stack using an external
J FET.
1
bq2060
SBS v1.1-Compliant Gas Gauge IC
HDQ16
Serial communication
input/output
ESCL
Serial memory clock
ESDA
Serial memory data and
address
RBI
Register backup input
REG
Regulator output
V
OUT
EEPROM supply output
V
CC
Supply voltage
V
SS
Ground
DISP
Display control input
LED
1
–
LED
5
LED display segment outputs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28PN2060.eps
28-Pin 150-mil SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SMBC
SMBD
VCELL
4
VCELL
3
VCELL
2
VCELL
1
SR
1
SR
2
SRC
TS
THON
CVON
CFC
DFC
HDQ16
ESCL
ESDA
RBI
REG
V
OUT
V
CC
V
SS
DISP
LED
1
LED
2
LED
3
LED
4
LED
5
DFC
Discharge FET control
CFC
Charge FET control
VON
trol
Cell voltage divider con-
THON
Thermistor bias control
TS
Thermistor voltage input
SRC
Current sense input
SR
1
–
SR
2
Charge-flow senseresistor
inputs
VCELL
1
–
VCELL
4
Single-cell voltageinputs
SMBD
SMBus data
SMBC
SMBus clock
SLUS035C–DECEMBER 2000
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BQ2060A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SBS v1.1-Compliant Gas Gauge IC |
| BQ2060ADBQ | 功能描述:電池管理 SBS V1.1 Compliant GG IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| BQ2060ADBQG4 | 功能描述:電池管理 SBS V1.1 Compliant GG IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| BQ2060ADBQR | 功能描述:電池管理 SBS V1.1 Compliant RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| BQ2060ADBQRG4 | 功能描述:電池管理 SBS V1.1 Compliant RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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