Transcript 6712.bq34z100 Overview

bq34z100
1s to 16s Impedance TrackTM fuel gauge to Support Li-Ion and
LiFePO4 battery Chemistries
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Patented Impedance TrackTM battery fuel
gauging technology.
Extremely flexible battery gas gauge
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Enables lower terminate voltage of system
and extends run time from battery.
Accurate gauging of popular chemistries
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Supports Li-Ion and LiFePO4 chemestries
Large Capacity >65Ahr
High Current >32A
Suitable for packs 2.7V to ~60V
Optional Interfaces
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Can be used with all popular chemistries
and is capable of gauging very high series
cell batteries
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Industry standard battery communications
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Display to report battery health
Alert feature for additional protection
Industry Standard package
Single wire HDQ / Two-wire I2C
LED Support
Configurable Warning signal
Packaged in 14 pin TSSOP
DSG
PW
CHG
PACK+
(TSSOP 14)
6.5mm X 4mm
DSG
P3/SDA
VEN
P4/SCL
P1
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REGIN
REG25
bq77908
P1
P5/HDQ
BAT
Protection
&
Balancing
P2
Power Tools
Power Assist, eBike
Medical Instruments
UPS Backup
Remote Powered Systems
BAT
P6/TS
VEN
P3/SDA
CE
SRP
REGIN
SRN
P6/TS
P4/SDL
VSS
SRP
I2C Data
2
REG25
CHG
bq34z100
I C Clk
h Series Cells
P2
P5/HDQ
SRN
VSS
Temp
Sense
Alert
Sense
Resistor
PACK -
Li-Ion Battery Pack
Gauging Product Overview and Selection Guide
LCD
LED Solutions
Non LED Solutions
bq20z655
bq20z90
bq20z60
bq20z95
bq20z65
bq30z50
Bq3050*
bq34z100
bq20z70
bq20z40
bq20z75
bq20z45
IT
IT
IT
IT (3.5)
CEDV
IT
IT
IT
# of Cells
2–4
2–4
2–4
2–4
1 - 14
2–4
Protection
SC,OC,OV,UV,OT,CI
M
Yes
Yes
Yes
Yes
No
Integrated AFE
Yes
No
Yes
Yes
“Blackbox”
Recorder
No
No
No
Yes (z65)
Yes (Z60)
C Rate Chg/g
No
LiFePO Support
Common F/W Name
bq30z55
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bq3055*
bq28400
bq28550
IT (3.5)
CEDV
CEDV
CEDV
2–4
2–4
2
1
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes/No
No
No
Yes (z65)
Yes
No
Yes (z40)
Yes (z45)
Yes
Yes
Yes
No
No
Yes
No
No
No
Yes
No
No
Yes
No
Yes (z60)
No
Yes(z65)
Yes
Yes
No
Yes (z40)
No
Yes (z45)
Yes
No
No
SHA-1
Authentication
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Lifetime Data
Logging
Yes
Yes (z60)
Yes (z65)
Enhanced
Yes(3050)
Yes
Yes (z40)
Yes (z45)
Enhanced
Yes(3055)
Temp
only
Temp
only
Cell Balance
Control
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
No
No
No
No
No
Gauging Type
JEITA/Enhanced
Chg’g
Support for NiXX, LiCells
*RTM
XXX 4Q2011
and PbA
*RTM 4Q2011
Yes
(no CIM)
Competitive Analysis
DEVICE
Battery Chemistry
Package
Pin Count
Dimensions (L x W X H)
Memory Type
Sense Resistor (mΩ)
Algorithm
SMBus Speed
JEITA & ATL Charging
Temperature Sensor
LED
bq34z100
bq2060A
DS2788
NiXX, Li-XXX and PbA
NiXX, Li-Ion and PbA
Li-Ion
TSSOP
SSOP
TSSOP
14
28
14
6.4mm x 5mm x 1mm
6.4mm x 9.7mm x 1.10mm
6 mm x 5 mm x 1mm
Flash
None
EEPROM
External
External
External
Impedance TrackTM
Coulomb Counting
Coulomb Counting
100 – 400 kHz
100kHz
100kHz
??
No
No
Internal / External
External
Internal
YES
Yes
Yes