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NXP Semiconductors Electronic Components Datasheet

MC33772 Datasheet

Battery cell controller

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NXP Semiconductors
Data Sheet Summary for MC33772
Battery cell controller IC
The 33772 is a SMARTMOS lithium ion Battery Cell Controller IC designed for
automotive applications, such as hybrid electric (HEV) and electric vehicles (EV)
along with industrial applications, such as energy storage systems (ESS), and
uninterruptible power supply (UPS) systems. The device performs ADC
conversions of the differential cell voltages and current, as well as battery
Coulomb counting and battery temperature measurements. The information is
digitally transmitted through SPI or transformer isolation to a microcontroller for
processing.
Features
• 5.0 V VPWR 30 V operation, 40 V transient
• 3 to 6 cells management
• Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI
• Addressable on initialization
• Synchronized cell voltage/current measurement with Coulomb count
• Total stack voltage measurement
• Seven GPIO/temperature sensor inputs
• 5.0 V at 5.0 mA reference supply output
• Automatic over/undervoltage & temperature detection routable to fault pin
• Integrated Sleep mode over/undervoltage & temperature monitoring
• Onboard 300 mA passive cell balancing with diagnostics
• Hot plug capable
• Detection of internal and external faults, as open lines, shorts, and
leakages
• Single chip ASIL C capable
• Fully compatible with the MC33771 for max 14 cells
Document Number: MC33772SM
Rev. 2.0, 8/2016
33772
BATTERY CELL CONTROLLER IC
AE SUFFIX (PB-FREE)
98ASA00173D
48-PIN LQFP-EP
Applications
• Automotive: 12 V and high-voltage battery packs
• E-bikes, e-scooters
• Energy storage systems
• Uninterruptible power supply (UPS)
6 Cell
Voltage
Measure
Current
Measure
Battery
Reference
MC33772
VPWR1
VPWR2
RDTX _OUT+
RDTX_OUT-
CT6 VCOM
CB6
CB6:5_C
CT5
CTn
CBn
CT1
CB2:1_C
CB1
CTREF
ISENSE+
CGND
VPRE
VANA
AGND
DGND
FAULT
SDA
SDL
SPI_COM_EN
VCP
GNDCP
RESET
CSB
SO
SI/RDTX _IN+
SCLK/RDTX _IN-
ISENSE-
GNDSUB
GNDFLG
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
VCOM
Battery
Reference
Battery
Reference
VPRE
EEPROM
VCOM
Battery
Reference
Figure 1. Simplified application diagram of SPI communication context
MCU
GPIOx
CSB
MISO
MOSI
SCLK
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© 2016 NXP B.V.


NXP Semiconductors Electronic Components Datasheet

MC33772 Datasheet

Battery cell controller

No Preview Available !

6 Cell
Voltage
Measure
MC33772
VPWR1
VPWR2
CT6
RDTX _OUT+
RDTX_OUT-
VCOM
CB6
CB6:5_C
CT5
CTn
CBn
CT1
CB2:1_C
CB1
CTREF
CGND
VPRE
VANA
AGND
DGND
FAULT
SDA
SDL
SO
CSB
SPI_COM_EN
RESET
SI/RDTX _IN+
SCLK/RDTX _IN-
VCOM
Battery
Reference
Battery
Reference
EEPROM
Battery
Reference
T1
1:1
6 Cell
Voltage
Measure
Current
Measure
Battery
Reference
Battery
Reference
ISENSE+
ISENSE-
GNDSUB
GNDFLG
VCP
GNDCP
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
MC33772
VPWR1
VPWR2
CT6
RDTX _OUT+
RDTX_OUT-
VCOM
CB6
CB6:5_C
CT5
CTn
CBn
CT1
CB2:1_C
CB1
CTREF
ISENSE+
ISENSE-
GNDSUB
GNDFLG
CGND
VPRE
VANA
AGND
DGND
FAULT
SDA
SDL
SO
CSB
SPI_COM_EN
RESET
SI/RDTX _IN+
SCLK/RDTX _IN-
VCP
GNDCP
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
VCOM
Battery
Reference
VCOM
Battery
Reference
Battery
Reference
EEPROM
Battery
Reference
T1
1:1
VCOM
Battery
Reference
Battery Pack
Controller
MCU
T1
SPI1
1:1 MC33664
SPI2
Figure 2. Simplified application diagram of twisted pair line communication with isolation transformers
33772
2
NXP Semiconductors


Part Number MC33772
Description Battery cell controller
Maker NXP
PDF Download

MC33772 Datasheet PDF






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