參數(shù)資料
型號： BQ2060SS
英文描述： Silicon Bridge Rectifiers
中文描述： 集成電路表面貼裝，棉絮電荷監(jiān)視器
文件頁數(shù)： 1/46頁
文件大?。?/td> 364K
代理商： BQ2060SS
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
Vafter 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
The 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-segmentdisplay.
LED
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
JFET.
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
LEDdisplay 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 sense resistor
inputs
VCELL
1
–
VCELL
4
Single-cell voltage inputs
SMBD
SMBus data
SMBC
SMBus clock
SLUS035B–SEPTEMBER 2000
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ2060SS-E207-EP 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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
BQ2060SS-E207-EPG4 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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
BQ2060SS-E207TR-EP 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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
BQ2060SSE207TREPG4 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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
BQ2060SS-E411 功能描述:電池管理 Multi-Chem SBS 1.1 Compliant Gas Gauge 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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