Difference between revisions of "BATMRG1"

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Battery Merge Circut - with low voltage indicator
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Merge pair of 6 cell LiIon battery packs - with low voltage indicator
  
 
Part of the [[Ankle_0806]] project:
 
Part of the [[Ankle_0806]] project:
  
[[JANK1]] | [[BENCH2]] | [[BENCH2F]] | [[BATPTC1]] | [[BATMRG1]] | [[BATPWR1]] | [[POT4a]] | [[QAKAMP]]
+
[[JANK1]] | [[BENCH2]] | [[BENCH2F]] | [[BATPTC1]] | [[BATMRG1]] | [[BPWR1]] | [[POT4a]] | [[QAKAMP]]
  
  
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*For 12 LiIon cells (51V to 36V)
 
*For 12 LiIon cells (51V to 36V)
  
  3 P1,P2,PO1 Dean's Ultra plug high c urrent battery connector [http://wsdeans.com/products/plugs/ultra_plug.html]
+
  3 P1,P2,PO1 Dean's Ultra Plug      high c urrent battery connector [http://wsdeans.com/products/plugs/ultra_plug.html]
  1 U1 LT6700CS6-1#TRMPBFCT-ND LT6700CS6-3 dual CMP with 0.4V ref
+
  1 U1 LT6700CS6-1#TRMP      LT6700CS6-3 (TSOT23-6) dual CMP with 0.4V ref
  1 D1 MMSZ5256BDICT-ND    zener 30V SOD-123
+
  1 D1 MMSZ5256B-FDICT-ND    zener 30V SOD-123
  1 DZZ1 MMSZ5246BDICT-ND    zener 16V SOD-123 (connect between R9&R5)
+
  1 DZZ1 MMSZ5246B-FDICT-ND    zener 16V SOD-123 (connect between R9&R5)
 
  1 R1 RHM10.0KCCT-ND     10k res 0805  1%
 
  1 R1 RHM10.0KCCT-ND     10k res 0805  1%
 
  1 R4 RHM3.00KCCT-ND     3K res 0805 1% (green LED current from 16V)
 
  1 R4 RHM3.00KCCT-ND     3K res 0805 1% (green LED current from 16V)
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  1 CB1 493-1933-ND     Elec 39u, 63V (should use 7343 tant 63V)  
 
  1 CB1 493-1933-ND     Elec 39u, 63V (should use 7343 tant 63V)  
 
  0 CB1 495-1589-1-ND     Tant 10u, 50V
 
  0 CB1 495-1589-1-ND     Tant 10u, 50V
 +
 +
 +
* For 5 LiIon cells (21.2 to 15V)
 +
* D1 should be 9V zener (MMSZ5239B-FDICT-ND)
 +
* no need to populate DZZ1
 +
* R4 may be decreased to 2K

Latest revision as of 17:10, 14 September 2006

Merge pair of 6 cell LiIon battery packs - with low voltage indicator

Part of the Ankle_0806 project:

JANK1 | BENCH2 | BENCH2F | BATPTC1 | BATMRG1 | BPWR1 | POT4a | QAKAMP


Identification

top side
bottom side
  • AP Circuits PCB labeled "ankle-v3/batmrg1.pcb", "091206"
  • 1.7 x 1.0"

Design files

Bill of Material

  • For 12 LiIon cells (51V to 36V)
3	P1,P2,PO1	Dean's Ultra Plug       high c urrent battery connector [1]
1	U1		LT6700CS6-1#TRMP       LT6700CS6-3 (TSOT23-6) dual CMP with 0.4V ref
1	D1		MMSZ5256B-FDICT-ND     zener 30V SOD-123
1	DZZ1		MMSZ5246B-FDICT-ND     zener 16V SOD-123 (connect between R9&R5)
1	R1		RHM10.0KCCT-ND	     10k res 0805  1%
1	R4		RHM3.00KCCT-ND	     3K res 0805 1% (green LED current from 16V)
2	R2,R3		RHM499CCT-ND	     499ohm res 0805 1% (red/yellow LED current when near cutoff 6V)
1	DL3		P504CT-ND	     green LED
1	DL2		P505CT-ND	     orange LED (yellow prefered)
1	DL1		P503CT-ND	     red LED
1	R5		RHM698KCCT-ND	     698K res 0805 1%
1	R7		3266w-503-ND	     3266W bourns pot 50k (OBS)
1	R9		RHM30.0kcct-nd	     30K res 0805 1%
1	R6		RHM1.00Mcct-ND	     1M res 0805 1%
1	R8		311-10.0MCRCT-ND     10M res 0805 1%
1	C1		PCC2398CT-ND	     0.1u, 50V, cap0603 (MLCC X7R)
1	C2		PCC2289CT-ND	     .68u, 10V, cap0805 (MLCC X5R)
1	C3		PCC1840CT-ND	     0.1u, 50V, cap0805 (MLCC X7R)
1	CB1		493-1933-ND	     Elec 39u, 63V (should use 7343 tant 63V) 
0	CB1		495-1589-1-ND	     Tant 10u, 50V


  • For 5 LiIon cells (21.2 to 15V)
* D1 should be 9V zener (MMSZ5239B-FDICT-ND)
* no need to populate DZZ1
* R4 may be decreased to 2K