Atmel ATA6870 User Manual Download Page 11

11

ATA6870-DK10 [APPLICATION NOTE]

9228C–AUTO–02/15

7.

Schematic

Figure 7-1.

Schematic 

R59

1kΩ

R34

100Ω

DISCH5

MBA

T

6

OD

MBA

T

7

VDDHV

IRQ_IN

CLK_OUT

CS_N_OUT

SCK_OUT

MOSI_OUT

CS_N

13

14

15

16

17

18

19

20

21

22

23

24

48

47

46

45

44

43

42

41

40

39

38

37

SCK

MOSI

MISO

MFIRST

DTST

SCANMODE

CS_FUSE

VDDFUSE

DVSS

DVDD

GND

GND

DISCH6

MISO_IN

PD_N

VDDHVP

1

2

3

4

5

6

7

8

9

10

12

11

MBAT5

DISCH4

MBAT4

DISCH3

MBAT3

DISCH2

MBAT2

MBAT1

DISCH1

IC2

Atmel

ATA6870

IRQ

CLK

36

1

2

3

J5

D

S

G

35

34

33

32

31

30

29

28

27

26

25

VDDHVM

PD_N_OUT

POW_ENA

PWTST

BIASRES

TEMPREF

TEMP2

TEMP1

TEMPVSS

AVSS

AVDD

ATST

R40

C6

51kΩ

nc (33μF/50V)

+

Q6

FMMT620

121kΩ

GND_2

GND_2

GND_2

GND_2

GND_2

R55

R38

7.5kΩ

R4

10Ω/0.25W

R41

PB2

4.7kΩ

R58

1kΩ

R45

1kΩ

R46

1kΩ

R96

D2

MM3Z13VC

56kΩ

R109

56kΩ

R93

56kΩ

PACK+

R94

56kΩ

T18

ZXMN2F34FH

CELL+

CELL-

J3-7

R30

100Ω

T14

ZXMN2F34FH

R33

100Ω

T17

ZXMN2F34FH

R32

100Ω

T16

ZXMN2F34FH

R31

100Ω

R29

100Ω

T15

ZXMN2F34FH

T13

ZXMN2F34FH

J3-6

J3-5

J3-4

J3-3

J3-2

J3-1

J1-3

R27

R86

10Ω/0.25W

C3

+

10μF
30V

C19

100nF
30V

C8

2.2μF
25V

C5

100nF
50V

C1

+

10μF
30V

C32

100nF
30V

R39

10Ω/0.25W

R12

tbd

R37

150Ω

R14
4.7kΩ

R10
4.7kΩ

D4
LL4148

C10

100nF

Q7
SQ2301ES

Q5
IRF5210SPBF

Q4
IRF5210SPBF

C33

10nF

R66

100kΩ

C38

220nF

C11

100nF

C12

100nF

C13

100nF

C14

100nF

C15

100nF

GND_2

GND_2

GND_2

GND_2

GND_2

R49

R57

3.3kkΩ

3.3kkΩ

R52

R56

NTC

NTC

R47

1kΩ

R53

1kΩ

R54

1kΩ

R25

1kΩ

R19

R11

100Ω

D1

D

G

G

S

S

D

MM3Z13VC

DISCH5

MBA

T

6

MBA

T

7

VDDHV

IRQ_IN

CLK_OUT

CS_N_OUT

SCK_OUT

MOSI_OUT

CS_N

13

14

15

16

17

18

19

20

21

22

23

24

48

47

46

45

44

43

42

41

40

39

38

37

SCK

MOSI

MISO

MFIRST

DTST

SCANMODE

CS_FUSE

VDDFUSE

DVSS

DVDD

GND

GND

DISCH6

MISO_IN

PD_N

VDDHVP

1

2

3

4

5

6

7

8

9

10

12

11

MBAT5

DISCH4

MBAT4

DISCH3

MBAT3

DISCH2

MBAT2

MBAT1

DISCH1

IC1

Atmel

ATA6870

IRQ

CLK

LED1

J9

PB2

RESET

CLK

SCK

MOSI

MISO

IRQ

CS_N

LED_0603

LED3

LED2

36

1

2

3

J6

35

34

33

32

31

30

29

28

27

26

25

7

PA1 (ADC1/SGND/PCINT1)

PA2 (PCINT2/T0)

PA3 (PCINT3/T1)

PB0 (PCINT4/ICP00)

PB2 (PCINT6)

VCC

IC3
ATMEGA32HVB

VCC

VREG

VREF

VFET

PB3 (PCINT7)

PB4 (SS/PCINT8)

PB5 (SCK/PCINT9)

PB1 (PCINT5/CKOUT)

PA0 (ADC0/SGND/PCINT1)

8

9

10

14

36

6

4

12

13

11

5

15

35

3

44

43

1

2

42

18

OC

OD

16

37

17

27

20

21

22

23

24

25

26

28

29

30

31

2
4
6

VCC

3x2M

MOSI

MISO

SCK

RESET

J2

1
3
5

32

33

34

41

40

39

38

19

VDDHVM

PD_N_OUT

POW_ENA

PWTST

BIASRES

TEMPREF

TEMP2

TEMP1

TEMPVSS

AVSS

AVDD

ATST

C7

nc (33μF/50V)

+

+

121kΩ

R21

R24

1kΩ

R18

nc

opt. ext.supply

TP1

R3

1kΩ

R5

1kΩ

T12

ZXMN2F34FH

Q2

MMBT2222A

OC

J1-2

J1-1

J1-4

R95
4.7kΩ

Q1

MMBT2222A

Q2

NSS60601MZ4

D3
BZV55C6V8-TP

J4-7

R6

100Ω

T8

ZXMN2F34FH

R10

R22

nc

100Ω

T11

ZXMN2F34FH

R9

100Ω

T10

ZXMN2F34FH

R8

100Ω

R1

100Ω

R2

1kΩ

T9

ZXMN2F34FH

T7

ZXMN2F34FH

J4-6

J4-5

J4-4

J4-3

J4-2

J4-1

C16

100nF

C20

10nF

R44

100kΩ

R17

5.1kΩ

C24

C24

nc

220nF

C17

100nF

C18

100nF

C21

100nF

C22

100nF

C23

100nF

VDD_HVM

VCC

VCC

R20

5.1kΩ

VCC

R13

R23

3.3kΩ

3.3kΩ

R77

R76

NTC

NTC

R7

1kΩ

R15

1kΩ

R16

C30

100nF

C27

100nF

C31

C34

100nF

100nF

C2

2.2μF

1kΩ

100Ω

R89

R113

RSENSE

1kΩ

R99

100Ω

R91

1kΩ

R100

PACK-

VFET

R88
1kΩ

R28

1kΩ

R35

1kΩ

R36

1kΩ

R26

10/0.25WΩ

PB6 (MOSI/PCINT10)

PB7 (MISO/PCINT11)

PC0 (INT0/EXTPROT)

PC1 (INT1)

PC2 (INT2)

PC4 (SCL)

PC5

PV1

PV2

PV3

PV4

RESET/DW

PC3 (INT3/SDA)

BATT

VCLMP10

GND

GND

GND

PI

PPI

NI

NNI

1

CELL-

RSENSE

10x1F

J7

10x1F

J8

Piggypack Board

for other Microcontroller

VDD_HVM

VCC

CLK

IRQ

CS_N

SCK

MOSI

MISO

PACK-

VFET

OD

OC

RESET

2

3

4

5

6

7

8

9

10

NV

OC

OD

PVT

NC

NC

VREFGND

1

2

3

4

5

6

7

8

9

10

Summary of Contents for ATA6870

Page 1: ...Overcurrent Open clamp detection 12 bit battery cell measurement 12 bit temperature measurement Controlling of charge discharge FETs Status LEDs for easy evaluation Charge balancing Coulomb counting...

Page 2: ...tteries and it is best to use the devices in a slightly different way in a smart battery application 2 Safety Precautions When Using Li ion Batteries Please observe the safety guidelines supplied with...

Page 3: ...on page 5 3 1 2 Number of Cells It is possible to run the board with a reduced number of cells The minimum voltage for each IC is 6 9V Cell 1 and cell 6 MBAT have to be connected The missing cells sho...

Page 4: ...the Atmel ATmega32HVB is being programmed or while it is entering debug mode It can be mounted as soon as AVR Studio prompts for additional SPI lines to be connected in debug mode or after the device...

Page 5: ...y the Atmel ATmega32HVB with sufficient voltage If the jumper is mounted the stack voltage should not exceed 48V The Atmel ATmega32HVB supports operating voltage from 4V to 24V 3 3 2 Emulating Cells B...

Page 6: ...ell exceeds the upper default threshold of 4 2V Undervoltage at least 1 cell exceeds the lower default threshold of 2 5V Overcurrent the current through the shunt exceeds the default threshold of 80mA...

Page 7: ...hold for charging current exceeding the threshold will turn off the Mosfets RCC_DISCHARGETHRESHOLD Threshold for discharging current exceeding the threshold will turn off the Mosfets Other values shou...

Page 8: ...o update the SOC frequently The acquired cell voltages and temperatures can be used to determine the SOC without the Atmel ATmega32HVB The easiest way is to compare the SOC measured by the added extra...

Page 9: ...FETs are controlled by an N channel FET driver The pins OC and OD are designed for outputting a high voltage of approx 13V The status of the pins is controlled by software via the FCSR FET control and...

Page 10: ...ented in the datasheet of the Atmel ATA6870 Section 7 1 1 and in the Atmel ATmega32HVB datasheet Section 10 This board allows the Atmel ATA6870 to be enabled disabled using the Atmel ATmega32HVB softw...

Page 11: ...USE VDDFUSE DVSS DVDD GND GND DISCH6 MISO_IN PD_N VDDHVP 1 2 3 4 5 6 7 8 9 10 12 11 MBAT5 DISCH4 MBAT4 DISCH3 MBAT3 DISCH2 MBAT2 MBAT1 DISCH1 IC1 Atmel ATA6870 IRQ CLK LED1 J9 PB2 RESET CLK SCK MOSI M...

Page 12: ...ATA6870 DK10 APPLICATION NOTE 9228C AUTO 02 15 12 Figure 7 2 PCB Top...

Page 13: ...13 ATA6870 DK10 APPLICATION NOTE 9228C AUTO 02 15 Figure 7 3 PCB Bottom...

Page 14: ...e note that the following page numbers referred to in this section refer to the specific revision mentioned not to this document Revision No History 9228C AUTO 02 15 Put document in the latest templat...

Page 15: ...NT EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and rese...

Page 16: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Atmel ATA6870 DK10...

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