米6体育平台手机版

ZHCSN24A August 2019 – May 2021 TPS53676

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6.4.7 Dynamic Phase Shedding (DPS)

VCC = 3.3 V, CSPIN = VIN_CSNIN = 12 V, T_J = -40 to 125 ℃ unless otherwise specified

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
Dynamic Phase Shedding
PH_DPS	Minimum operating phase numbers with DPS enabled ⁽¹⁾	USER_DATA_07[3:2] = 00b		1		Phase
		USER_DATA_07[3:2] = 01b		2		Phase
		USER_DATA_07[3:2] = 10b		4		Phase
		USER_DATA_07[3:2] = 11b		8		Phase
t_DPAFIL	Filter time constant for phase adding ⁽¹⁾	USER_DATA_07[7:6] = 00b		0.5		µs
		USER_DATA_07[7:6] = 01b		1		µs
		USER_DATA_07[7:6] = 10b		1.5		µs
		USER_DATA_07[7:6] = 11b		2		µs
I_DPA2	Dynamic phase adding thresholds (1-2ph)	USER_DATA_07[11:8] = 0h	8.2	12	15.4	A
	Average current, assuming DPA Hysteresis is set equal to 1/2 I_SUM ripple for active phase number, accounting for ripple cancellation	USER_DATA_07[11:8] = 1h	8.8	13	17.3	A
		USER_DATA_07[11:8] = 2h	12.2	14	15.7	A
		USER_DATA_07[11:8] = 3h	13.3	15	16.7	A
		USER_DATA_07[11:8] = 4h	14.3	16	17.7	A
		USER_DATA_07[11:8] = 5h	15.1	17	18.7	A
		USER_DATA_07[11:8] = 6h	16.2	18	19.7	A
		USER_DATA_07[11:8] = 7h	17.3	19	20.7	A
		USER_DATA_07[11:8] = 8h	17.9	20	21.7	A
		USER_DATA_07[11:8] = 9h	19.2	21	22.7	A
		USER_DATA_07[11:8] = Ah	20.2	22	23.7	A
		USER_DATA_07[11:8] = Bh	21.3	23	24.8	A
		USER_DATA_07[11:8] = Ch	22.3	24	25.8	A
		USER_DATA_07[11:8] = Dh	23.2	25	26.8	A
		USER_DATA_07[11:8] = Eh	24	26	27.8	A
		USER_DATA_07[11:8] = Fh	24.9	27	28.8	A
I_DPA3	Dynamic phase adding thresholds (2-3ph)	USER_DATA_07[23:20] = 0h	25.2	30	35.8	A
	Average current, assuming DPA Hysteresis is set equal to 1/2 I_SUM ripple for active phase number, accounting for ripple cancellation	USER_DATA_07[23:20] = 1h	27.5	32	37.4	A
		USER_DATA_07[23:20] = 2h	29.1	34	40	A
		USER_DATA_07[23:20] = 3h	31.9	36	41.2	A
		USER_DATA_07[23:20] = 4h	33.5	38	43.5	A
		USER_DATA_07[23:20] = 5h	35.6	40	45.4	A
		USER_DATA_07[23:20] = 6h	37.8	42	47	A
		USER_DATA_07[23:20] = 7h	39.7	44	49.3	A
		USER_DATA_07[23:20] = 8h	45.6	50	55.2	A
		USER_DATA_07[23:20] = 9h	55.6	60	65.3	A
		USER_DATA_07[23:20] = Ah	65.8	70	75.2	A
		USER_DATA_07[23:20] = Bh	75.3	80	85.5	A
		USER_DATA_07[23:20] = Ch	85.8	90	95	A
		USER_DATA_07[23:20] = Dh	95.8	100	105	A
		USER_DATA_07[23:20] = Eh	105.7	110	114.9	A
		USER_DATA_07[23:20] = Fh	114.3	120	125.9	A
I_DPA4	Dynamic phase adding thresholds (3-4ph)	USER_DATA_07[19:16] = 0h	40.6	46	52.2	A
	Average current, assuming DPA Hysteresis is set equal to 1/2 I_SUM ripple for active phase number, accounting for ripple cancellation	USER_DATA_07[19:16] = 1h	43.5	48	53.6	A
		USER_DATA_07[19:16] = 2h	43.2	50	57.4	A
		USER_DATA_07[19:16] = 3h	47.5	52	57.6	A
		USER_DATA_07[19:16] = 4h	48.2	54	60.2	A
		USER_DATA_07[19:16] = 5h	51.5	56	61.4	A
		USER_DATA_07[19:16] = 6h	52.8	58	64.4	A
		USER_DATA_07[19:16] = 7h	54.7	60	66.3	A
		USER_DATA_07[19:16] = 8h	74.7	80	86	A
		USER_DATA_07[19:16] = 9h	94.6	100	106.1	A
		USER_DATA_07[19:16] = Ah	114.9	120	125.4	A
		USER_DATA_07[19:16] = Bh	135.2	140	145.4	A
		USER_DATA_07[19:16] = Ch	154.6	160	166.1	A
		USER_DATA_07[19:16] = Dh	175.1	180	185.5	A
		USER_DATA_07[19:16] = Eh	194.5	200	205.6	A
		USER_DATA_07[19:16] = Fh	213.4	220	226.7	A
I_DPA5	Dynamic phase adding thresholds (4-5ph)	USER_DATA_07[31:28] = 0h	55.9	62	69	A
	Average current, assuming DPA Hysteresis is set equal to 1/2 I_SUM ripple for active phase number, accounting for ripple cancellation	USER_DATA_07[31:28] = 1h	59.5	64	69.6	A
		USER_DATA_07[31:28] = 2h	59.6	66	73.2	A
		USER_DATA_07[31:28] = 3h	63.4	68	73.3	A
		USER_DATA_07[31:28] = 4h	65.1	70	76	A
		USER_DATA_07[31:28] = 5h	67.3	72	77.3	A
		USER_DATA_07[31:28] = 6h	69	74	79.6	A
		USER_DATA_07[31:28] = 7h	71.1	76	81.4	A
		USER_DATA_07[31:28] = 8h	85.1	90	95.4	A
		USER_DATA_07[31:28] = 9h	94.9	100	105.8	A
		USER_DATA_07[31:28] = Ah	104.9	110	115.8	A
		USER_DATA_07[31:28] = Bh	115.2	120	125.4	A
		USER_DATA_07[31:28] = Ch	135.2	140	145.4	A
		USER_DATA_07[31:28] = Dh	154.5	160	165.6	A
		USER_DATA_07[31:28] = Eh	175.2	180	185.2	A
		USER_DATA_07[31:28] = Fh	193.4	200	206.7	A
I_DPA6	Dynamic phase adding thresholds (5-6ph)	USER_DATA_07[27:24] = 0h	71.7	78	84.8	A
	Average current, assuming DPA Hysteresis is set equal to 1/2 I_SUM ripple for active phase number, accounting for ripple cancellation	USER_DATA_07[27:24] = 1h	74.8	81	87.1	A
		USER_DATA_07[27:24] = 2h	77.9	84	90.6	A
		USER_DATA_07[27:24] = 3h	81.6	87	92.8	A
		USER_DATA_07[27:24] = 4h	84.5	90	95.7	A
		USER_DATA_07[27:24] = 5h	87.2	93	99.5	A
		USER_DATA_07[27:24] = 6h	89.9	96	102.7	A
		USER_DATA_07[27:24] = 7h	93	99	105.5	A
		USER_DATA_07[27:24] = 8h	103.4	110	117	A
		USER_DATA_07[27:24] = 9h	114.5	120	126.5	A
		USER_DATA_07[27:24] = Ah	124	130	137.1	A
		USER_DATA_07[27:24] = Bh	134.7	140	145.1	A
		USER_DATA_07[27:24] = Ch	154.1	160	166.6	A
		USER_DATA_07[27:24] = Dh	174.8	180	185.5	A
		USER_DATA_07[27:24] = Eh	194.2	200	205.8	A
		USER_DATA_07[27:24] = Fh	213.2	220	227.3	A
I_DPA7	Dynamic phase adding thresholds (6-7ph)	USER_DATA_07[39:36] = 0h	100.1	105	110.5	A
	Average current, assuming DPA Hysteresis is set equal to 1/2 I_SUM ripple for active phase number, accounting for ripple cancellation	USER_DATA_07[39:36] = 1h	105.6	110	114.7	A
		USER_DATA_07[39:36] = 2h	109.8	115	120.8	A
		USER_DATA_07[39:36] = 3h	115.5	120	125	A
		USER_DATA_07[39:36] = 4h	120.2	125	130.2	A
		USER_DATA_07[39:36] = 5h	125.2	130	135.4	A
		USER_DATA_07[39:36] = 6h	130.6	135	140.1	A
		USER_DATA_07[39:36] = 7h	135.3	140	144.8	A
		USER_DATA_07[39:36] = 8h	155.1	160	165.2	A
		USER_DATA_07[39:36] = 9h	175.2	180	185.1	A
		USER_DATA_07[39:36] = Ah	195.2	200	205	A
		USER_DATA_07[39:36] = Bh	215	220	225.3	A
		USER_DATA_07[39:36] = Ch	235	240	245.2	A
		USER_DATA_07[39:36] = Dh	274.7	280	285.7	A
		USER_DATA_07[39:36] = Eh	314.3	320	325.7	A
		USER_DATA_07[39:36] = Fh	353.9	360	366.1	A
I_HYST2	DPA Hysteresis (1-2ph) Set equal to 1/2 I_SUM ripple with 1 phase operational	USER_DATA_07[59:56] = 0h to Fh	0		15	A
I_HYST3	DPA Hysteresis (2-3ph) Set equal to 1/2 I_SUM ripple with 2 phases operational	USER_DATA_07[71:68] = 0h to Fh	0		15	A
I_HYST4	DPA Hysteresis (3-4ph) Set equal to 1/2 I_SUM ripple with 3 phases operational	USER_DATA_07[67:64] = 0h to Fh	0		15	A
I_HYST5	DPA Hysteresis (4-5ph) Set equal to 1/2 I_SUM ripple with 4 phases operational	USER_DATA_07[79:76] = 0h to Fh	0		15	A
I_HYST6	DPA Hysteresis (5-6ph) Set equal to 1/2 I_SUM ripple with 5 phases operational	USER_DATA_07[75:72] = 0h to Fh	0		15	A
I_HYST7	DPA Hysteresis (6-7ph) Set equal to 1/2 I_SUM ripple with 6 phases operational	USER_DATA_07[87:84] = 0h to Fh	0		15	A
I_HYST-DPS	Dynamic phase shedding hysteresis	USER_DATA_07[15:14] = 00b		0		A
		USER_DATA_07[15:14] = 01b		1		A
		USER_DATA_07[15:14] = 10b		2		A
		USER_DATA_07[15:14] = 11b		3		A
I_DPS2	Phase shed threshold (2-1ph)	Avg. current, calculated	I_DPA2– 1 × I_HYST-DPS			A
I_DPS3	Phase shed threshold (3-2ph)	Avg. current, calculated	I_DPA3– 2 × I_HYST-DPS			A
I_DPS4	Phase shed threshold (4-3ph)	Avg. current, calculated	I_DPA4– 3 × I_HYST-DPS			A
I_DPS5	Phase shed threshold (5-4ph)	Avg. current, calculated	I_DPA5– 4 × I_HYST-DPS			A
I_DPS6	Phase shed threshold (6-5ph)	Avg. current, calculated	I_DPA6– 5 × I_HYST-DPS			A
I_DPS7	Phase shed threshold (7-6ph)	Avg. current, calculated	I_DPA7– 6 × I_HYST-DPS			A
T_{DPS_DELAY}	Dynamic phase shedding delay (N+1 ph to N ph) ⁽¹⁾		115	120	125	µs

(1) Specified by Design

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6.4.7 Dynamic Phase Shedding (DPS)