SLUAAP9 October   2023 TPS568215 , TPS568230

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Features Description
    1. 2.1 Light Load Operation
    2. 2.2 Large Duty Operation
  6. 3Control Modes Description
    1. 3.1 PCM and ACM
    2. 3.2 D-CAP2 and D-CAP3
    3. 3.3 Control Modes Comparison
  7. 4Specifications Comparison
  8. 5Summary
  9. 6References

4 Specifications Comparison

Table 4-1 shows key feature comparison of 1.5 V≤ Vin ≤ 20 V, 8 A buck converters.

Table 4-1 1.5 V ≤ Vin ≤ 20 V, 8 A Buck Converters Comparison
Part Number Vin Range ABS Vin Vref (full temp range) Vout Range HS/LS FETs Rds_on Fsw PG/SS Pin Light Load Operation OC Limit UV/OV Recovery Control Mode Package Other Features
TPS568231

New

 3.8-17V (w/ bias); 4.5-17V (w/o bias) 20 V 0.6 V±1% 0.6-5.5 V 7.8/3.2mΩ 400k, 800k, 1.2MHz Yes PSM, FCCM 7.1/9.4A Non-latch D-CAP3™ QFN-18, 3.5x3.5 Optional external 5 V bias;
TPS568215 4.5-17 V 20 V 0.6 V±1% 0.6-5.5 V 19/9.4mΩ 400k, 800k, 1.2MHz Yes PSM, FCCM 7.1/9.4A Non-latch D-CAP3™ QFN-18, 3.5x3.5 Optional external 5 V bias;
TPS568215OA 4.5-17 V 20 V 0.6 V±1% 0.6-5.5 V 19/9.4mΩ 400k, 800k, 1.2MHz Yes OOA, FCCM 7.1/9.4A Non-latch D-CAP3™ QFN-18, 3.5x3.5 Optional external 5 V bias;
TPS568230 4.5-18 V 22 V 0.6 V+1.8%, -1.3% 0.6-7 V 19.5/9.5mΩ 600k, 800k, 1 MHz Yes PSM, OOA, FCCM 9.8A Non-latch D-CAP3™ QFN-20, 3x3 Large duty operation; ULQ™ mode;
TPS543820New 4-18 V 20 V 0.5 V±0.5% 0.5-7 V 25/6.5mΩ 500k- 2.2 MHz Selectable SS time FCCM 7.4/10.4A Non-latch ACM QFN-14, 2.5x3 Sync to external clock;
TPS543820ENew 4-18 V 20 V 0.5 V±0.5% 0.5-7 V 25/6.5mΩ 500k- 2.2 MHz Selectable SS time FCCM 7.4/10.4A Non-latch ACM QFN-14, 2.5x3 Sync to external clock; Supports defense, aerospace and medical applications
TPS54824 4.5-17 V 19 V 0.6 V±0.8% 0.6-12 V 14.1/6.1mΩ 200k-1.6MHz Yes FCCM 11.4A Non-latch PCM QFN-18, 3.5x3.5 Sync to external clock; 100% duty operation;

TPS54821

 1.6-17 V (w/ bias); 4.5-17 V (w/o bias) 20 0.6 V±1% 0.6-15 V 26/19mΩ 200k-1.6MHz Yes FCCM 11.5A Non-latch PCM QFN-14, 3.5x3.5 Sync to external clock; 100% duty operation;
TPS53513 1.5-18 V (w/ bias) 30 0.6 V+0.5%, -0.7% 0.6-5.5 V

13.8/5.9mΩ

 250k-1 MHz No SS PSM, FCCM Adjustable, max 12 A Latch D-CAP3™ QFN-28, 4.5x3.5
TPS568236 New 4.5-18 V 22 V 0.6 V±1.5% 0.6-5.5 V 22/11mΩ 600 kHz Yes PSM, FCCM 11 A Non-latch D-CAP3™ QFN-12, 2x3 Large duty operation; ULQ™ mode;

Table 4-2 shows key feature comparison of 1.5 V≤ Vin ≤ 28 V, 8 A buck converters.

Table 4-2 1.5 V ≤ Vin ≤ 28 V 8 A Buck Converters Comparison
Part Number Vin Range ABS Vin Vref (full temp range) Vout Range HS/LS FETs Rds_on Fsw PG/SS Pin Light Load Operation OC Limit UV/OV Recovery Control Mode Package Other Features
TPS51383New 4.5-24 V 28 V ±1.5% 3.36 V 22/11mΩ 600 kHz No SS PSM, OOA 11 A Latch D-CAP3™ QFN-12, 2x3

w/ 3.3 V LDO; ULQ™ mode;
TPS51386New 4.5-24 V 28 V 0.6 V±1.5% 0.6-5.5 V 22/11mΩ 600 kHz Yes PSM, OOA 11 A Latch D-CAP3™ QFN-12, 2x3

Large duty operation; ULQ™ mode;
TPS51385New

(7A)

 4.5-24 V 28 V 0.6 V±1.5% 0.6-5.5 V 22/11mΩ 1 MHz Yes PSM, OOA 8.8A Latch D-CAP3™ QFN-12, 2x3 Large duty operation; ULQ™ mode;
TPS51393* 4.5-24 V 26 V ±1.5% 3.36 V 19.5/9.5mΩ 625 kHz No SS OOA 9.6A Latch D-CAP3™ QFN-20, 3x3 w/ 3.3 V LDO; ULQ™ mode;
TPS51395* 4.5-24 V 26 V ±1.6% 5.1 V 19.5/9.5mΩ 625 kHz No SS OOA 9.6A Latch D-CAP3™ QFN-20, 3x3 w/ 5 V LDO; ULQ™ mode; Large duty operation;
TPS51393P* 4.5-24 V 26 V ±1.5% 3.36 V 19.5/9.5 mΩ 610 kHz No SS PSM 9.6A Latch D-CAP3™ QFN-20, 3x3 w/ 3.3 V LDO; ULQ™ mode;
TPS51395P* 4.5-24 V 26 V ±1.6% 5.1 V 19.5/9.5 mΩ 610 kHz No SS PSM 9.6A Latch D-CAP3™ QFN-20, 3x3 w/ 5 V LDO; ULQ™ mode; Large duty operation;
TPS51396A 4.5-24 V 26 V 0.6 V+1.8%, -1.3% 0.6-7 V 19.5/9.5mΩ 600k,800k,1 MHz Yes PSM, OOA 9.8A Latch D-CAP3™ QFN-20, 3x3 Large duty operation; ULQ™ mode;
TPS568330* 4.5-23 V 26 V 0.6 V+1.8%, -1.3% 0.6-7 V 19.5/9.5mΩ 600k,800k,1 MHz Yes PSM, OOA, FCCM 9.8A Non-latch D-CAP3™ QFN-20, 3x3 Large duty operation; ULQ™ mode;
TPS51363 3-22 V 30 V 0.6 V±1% 0.6-2 V 20/10mΩ 400 k, 800 kHz Yes PSM 8/12A Latch D-CAP2™ QFN-28, 3.5x4.5

Remote sense;
TPS53318 1.5-22 V

(w/ bias)

 30 V 0.6 V±1% 0.6-5.5 V - 250k-1 MHz Selectable SS time PSM, FCCM Adjustable, max 10.5A Latch D-CAP™ QFN-22, 6x5
TPS56837New 4.5-28 V 32 V 0.6 V±1.5% 0.6-13 V 20.4/9.5mΩ 500k,800k,1.2MHz Yes PSM 7.2/9.6A Non-latch D-CAP3™ QFN-10, 3x3 Large duty operation; ULQ™ mode;

TPS56838 New

 4.5-28 V 32 V 0.6 V±1.5% 0.6-13 V 20.4/9.5mΩ 500k,800k,1.2MHz Yes FCCM 7.2/9.6A Non-latch D-CAP3™ QFN-10, 3x3 Large duty operation; ULQ™ mode;
TPS56836 New 4.5-28 V 32 V 0.6 V±1.5% 0.6-13 V 20.4/9.5mΩ 500k,800k,1.2MHz Yes OOA 7.2/9.6A Non-latch D-CAP3™ QFN-10, 3x3 Large duty operation; ULQ™ mode;

PG: Power Good.

SS: Soft-start.

OC: Overcurrent.

UV: Undervoltage.

OV: Overvoltage.

* Contact TI local sales team for device more information.