Power_Budget_Template_v6x_Spring_2018.xlsx

	A	B	C	D	E	F	G	H	I	J	K	L	M
1
2		LDO @3.3V						VOUT @ Battery Voltage			3DoT+Robot (mA)
3		3DoT (mA)		Robot (Sensor Shield)(mA)		Robot (Header Shield)(mA)		Robot (Motors)(mA)			3DoT+Robot (mA)
4		ATmega32U4	5.00					FB R12-R15	0.00225		Part or Circuit	Current(mA)
5		TB6612FNG H-Bridge	1.10								TPS61200 Quiescent Current	0.055
6		HM-11	15.00								UVLO(r14-r16)	0.0017
7		D2-5 LED@1.5mA	6.00								ON-OFF(R18-D1)	7
8											VBATT_LVL(R7-R9)	0.185
9											3DoT Subtotal	7.094
10				Color Sensor	0.24	3-axis gyro		Motor 1	60
11				IR range finder	0.3	Shaft encoder	48	Motor 2	60
12				Ultrasonic Sensor		magnetometer
13				Sonar Sensor		LED
14						Speaker
15
16
17								Servo 1
18								Servo 2
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21
22			27.10		0.54		48.00		120.002			7.094
23		3DoT + Sensor Header + 3DoT Header =					75.64	mA
24
25					Total Power Output =				249.61	mW	24.961	274.571
26					Total Power Input =				277.35	mW
27					Total Current Input =				106.67	mA
28					Total IC Power Dissipation =				27.73	mW
29					TPS61200 PD(max) =				971.00	mW
30					Margin =				943.27	97.14%
31
32					TPS61200 Current Output Max =				957.27	mA
33					Margin =				881.63	92.10%
34	Buck/Boost Parameters
35	Inductor saturation	FET switch limit	EFFboost	Vout	Vin/Iout	UVLO	Iout_max	Pout_max
36	(A)	(A)	(%)	(V)	(V/A)	(V)	(mA)	(mW)
37	1.9A	1.35	90	3.3	2.716	2.6	957.2727273	3159
38
39
40											Total =	233.77	mA
41											Current Rating (2C) =	1300.00	mA
42											Margin =	1066.232	82.02%
43
44											RCR123A Nominal Capacity	650.00	mAh
45											Depth of Discharge	127.00	mAh
46											Avaiable Capacity	523.00	mAh
47											Maximum Mission Duration	134.24	minutes
48											Estimated Mission Duration	60.00	minutes
49											Margin =	74.24	55.30%
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